Use capital letters in ...
The major words in the titles of books, articles, and songs (but
not short prepositions or the articles "the," "a," or "an," if they are not the first word of the title)
One of Jerry's favorite books is 'The Catcher in the Rye.'https://owl.purdue.edu/owl/general_writing/me...The rules for capitalizing titles are strict. In a title or a subtitle, capitalize
the first word, the last word, and all principal words, including those that follow hyphens in compound terms.
http://srjcstaff.santarosa.edu/~kthornle/30/C...In title case, major words are capitalized, and most minor words are lowercase. In sentence case, most major and minor words are lowercase (proper nouns are an exception in that they are always capitalized).
* major words: Nouns, verbs (including linking verbs), adjectives, adverbs, pronouns, and all words of four letters or more are considered major words.
* minor words: Short (i.e., three letters or fewer) conjunctions, short prepositions, and all articles are considered minor words.
Title case capitalization is covered in Section 6.17 of the APA Publication Manual, Seventh Editionhttps://apastyle.apa.org/style-grammar-guidel...* Capitalize the first word in the title.
* Capitalize verbs and other important words.
* Lowercase unimportant words, such as articles
(a, an, the), conjunctions (words that connect, such as
and, or, nor, and the like), and prepositions (
of, with, by, and other words that express a relationship between two elements in the sentence).
https://www.dummies.com/education/language-ar...According to most style guides, nouns, pronouns, verbs, adjectives, and adverbs are the only words capitalized in titles of books, articles, and songs. Prepositions, articles, and conjunctions aren’t capitalized (unless they’re the first or last word). ...
The exception to the rule, when it comes to prepositions, is that if the word contains six or more letters, it should be capitalized.
https://www.grammarly.com/blog/capitalization...
