Is "Within" Capitalized in a Title?

It depends on the style guide. "Within" is a six-letter preposition. AP, APA, AMA, and Bluebook capitalize prepositions that long, so they write "Within." Chicago and MLA lowercase prepositions at any length, so "within" stays lowercase there unless it is the first or last word.

"Within" by Style Guide

Style guide	"Within" mid-title	Why
AP	Capitalize	Prepositions of four or more letters are capitalized
APA	Capitalize	Words of four or more letters are capitalized
Chicago	Lowercase	Prepositions are lowercase at any length
MLA	Lowercase	Prepositions are lowercase at any length
AMA	Capitalize	Prepositions longer than three letters are capitalized
Bluebook	Capitalize	Prepositions longer than four letters are capitalized ("within" has six)

The Same Headline in Four Styles

Style	"finding peace within a busy schedule"
AP	Finding Peace Within a Busy Schedule
APA	Finding Peace Within a Busy Schedule
Chicago	Finding Peace within a Busy Schedule
MLA	Finding Peace within a Busy Schedule

Style	"growth within limits"
AP	Growth Within Limits
APA	Growth Within Limits
Chicago	Growth within Limits
MLA	Growth within Limits

When "Within" Is Capitalized Everywhere

• First word: "Within Reach."
• Last word: "The Enemy Within" in AP, Chicago, and MLA, where "within" is also an adverb.

Related Words

"Without" follows the same split, and so does "with", except that Bluebook lowercases the shorter "with."

"Within" in Sentence Case

APA reference lists, many news sites, and most UI text use sentence case instead of title case. There, only the first word and proper nouns get capitals, so "within" is lowercase unless it starts the title: "Finding peace within a busy schedule." Pick one of the two styles for a whole set of headings rather than mixing them.

Quick Answers

Should "within" be capitalized in a title?

In AP, APA, AMA, and Bluebook, yes. In Chicago and MLA, no, unless it is first or last.

Is "within" capitalized in APA?

Yes. APA capitalizes words of four letters or more.