A block quote is a long quotation set apart from your main text as its own indented paragraph, with no quotation marks around it. The exact length that triggers block quote formatting depends on the style guide you’re following, but the visual result is the same: a freestanding chunk of quoted text that signals to the reader they’re looking at someone else’s words. Here’s how to format them correctly in academic papers, web content, and everyday writing.
When to Use a Block Quote
Each major style guide sets its own length threshold for when a regular inline quote should become a block quote:
- MLA: Quotations longer than four lines of prose or three lines of verse.
- APA: Quotations of 40 words or more.
- Chicago: Quotations of 100 words or more, or quotations that run to five or more lines in your document.
If your quoted text falls below those thresholds, keep it inline with quotation marks. If it meets or exceeds the threshold, pull it out into a block quote.
Beyond the mechanical rules, use block quotes when the exact wording matters to your argument. If you’re analyzing specific language in a court ruling, dissecting a passage of literature, or preserving the precise phrasing of a policy, a block quote earns its space. If you only need the general idea, paraphrase instead. Overusing block quotes makes your writing feel like a patchwork of other people’s words rather than your own analysis.
How to Introduce the Quote
Every block quote needs a lead-in that tells the reader who said it and why it matters. How you punctuate that introduction depends on whether the text before the quote is a complete sentence or not.
If your introductory text is a full sentence, end it with a colon. For example: “The author summarizes her position in the book’s final chapter:” followed by the indented block quote on the next line.
If the quote flows as a grammatical continuation of your sentence, you don’t need a colon or any extra punctuation. For instance, you might write “The researcher argues that” and then let the block quote finish the thought. The reader should be able to read your lead-in and the first line of the quote as one continuous sentence.
Avoid dropping a block quote into your paper with no introduction at all. An unannounced quote forces the reader to figure out on their own who is speaking and why it’s relevant.
Indentation and Spacing
In MLA format, start the block quote on a new line and indent the entire quote half an inch (0.5 inches) from the left margin. Keep double spacing throughout, just like the rest of your paper. Do not add extra blank lines above or below the quote.
APA follows the same half-inch indent and double spacing. Chicago style also uses a half-inch indent but may use single spacing within the block quote itself, depending on whether you’re following the notes-bibliography or author-date system. Check your instructor’s or publisher’s specific requirements.
In all three styles, the key visual cue is the same: the block quote sits further from the left margin than your regular paragraphs. That indentation replaces quotation marks entirely. Do not wrap a block quote in quotation marks unless there is a quote within the quote (a character speaking inside a passage you’re quoting, for example).
Where to Put the Citation
Citation placement for block quotes is the opposite of what you do with inline quotes, and it trips people up. With a regular inline quote, the period goes after the parenthetical citation. With a block quote, the punctuation comes first.
End the block quote with its own closing punctuation (a period, question mark, or exclamation point), then place your parenthetical citation after that final punctuation mark. In MLA, that looks like the quoted passage ending with a period, a space, and then the parenthetical reference like (Smith 42) with no additional period after it. APA follows the same pattern, placing the parenthetical (Author, Year, p. 00) after the closing punctuation of the quoted text.
If you’re using footnotes or endnotes (common in Chicago style), the superscript note number goes after the final punctuation of the block quote.
Block Quotes in HTML and Markdown
If you’re writing for the web rather than an academic paper, the formatting tools are different but the purpose is the same.
In HTML, wrap your quoted text in a <blockquote> tag. This tells browsers and screen readers that the enclosed text is an extended quotation from another source. You can add a cite attribute to the opening tag with a URL pointing to the original source. That URL won’t be visible to readers, but it provides a machine-readable link to where the quote came from. If you want a visible source attribution, place it outside the <blockquote> element, often inside a <cite> tag. For shorter inline quotes on the web, use the <q> tag instead.
In Markdown (used on platforms like GitHub, Reddit, and many content management systems), you create a block quote by placing a greater-than symbol (>) at the start of each line. Most Markdown editors will render this as an indented block with a vertical bar along the left side. For multi-paragraph block quotes, put a > on the blank line between paragraphs as well.
Editing Within a Block Quote
Sometimes you need to trim or adjust quoted text to fit your argument. Use square brackets and ellipses to do this transparently.
If you cut words from the middle of a quote, replace them with an ellipsis inside square brackets: […]. If you need to change a word for grammatical clarity (adjusting a pronoun or verb tense so the quote fits your sentence), put your change inside square brackets. For example, changing “I believe” to “[she] believe[s]” shows the reader exactly what you altered.
Never change the meaning of the original text. Editing is for clarity and brevity, not for reshaping what the author said.
What to Do After the Quote
A block quote should never be the last thing in a paragraph or section. After the quote, return to your normal margin and add at least a sentence of your own analysis. Explain what the quote demonstrates, why it supports your point, or how it connects to what comes next. The quote is evidence; your job is to tell the reader what it proves.
This follow-up text also signals visually that you’ve returned to your own voice, making the boundary between the quoted material and your writing unmistakable.