Title case or headline case is a style of capitalization used for rendering the titles of published works or works of art in English.
As an example, a headline might be written like this: "The Quick Brown Fox Jumps over the Lazy Dog".
Most English style guides agree that the first and last words should always be capitalized, whereas articles, short prepositions, and some conjunctions should not be.
[1] In text processing, title case usually involves the capitalization of all words irrespective of their part of speech.
[6] According to the 9th edition of the Modern Language Association Handbook, the following title capitalization rules should be applied:[7] According to the 7th edition of the Publication Manual of the American Psychological Association, the following title capitalization rules should be applied:[7] According to the 11th edition of the American Medical Association (AMA) Manual of Style, the following title capitalization rules should be applied:[7] According to the 21st edition of The Bluebook, used for legal citations, the following title capitalization rules should be applied:[7] The use of title case or sentence case in the references of scholarly publications is determined by the used citation style and can differ from the usage in title or headings.