the title/heading, including the second part of hyphenated major words (e.g., Self-Report not Self-report). Do not capitalize articles, prepositions (regardless of length), and coordinating conjunctions. Lowercase the second word after a hyphenated prefix (e.g., Mid-, Anti-, Super-, etc.) in compound modifiers (e.g., Mid-year, Anti-hero, etc.). Do not capitalize "to" in infinitives (e.g., I Want to Play Guitar). APA Style According to the 7th edition of the Publication Manual of the American Psychological Association, the following title capitalization rules should be applied: Capitalize the first word of the title/heading and of any subtitle/subheading Capitalize all major words (nouns, verbs including phrasal verbs such as "play with", adjectives, adverbs, and pronouns) in the title/heading, including the second part of hyphenated major words (e.g., Self-Report not Self-report) Capitalize all words of four letters or more. Lowercase the second word after a hyphenated prefix (e.g., Mid-, Anti-, Super-, etc.) in compound modifiers (e.g., Mid-year, Anti-hero, etc.). American Medical Association (AMA) Manual of Style Capitalization Rules According to the 11th edition of the American Medical Association (AMA) Manual of Style, the following title capitalization rules should be applied: Capitalize the first and the last word of titles and subtitles. Capitalize nouns, pronouns, adjectives, verbs (including phrasal verbs such as "play with"), adverbs, and subordinate conjunctions (major words). Lowercase articles (a, an, the), coordinating conjunctions, and prepositions of four letters or fewer. Lowercase "to" in infinitives. Lowercase the second word in a hyphenated compound when it is a prefix or suffix (e.g., "Anti-itch", "world-wide") or part of a single word. Capitalize the second word in a hyphenated compound if both words are equal and not suffices or prefixes (e.g., "Cost-Benefit") Capitalize the first non-Greek letter after a lowercase Greek letter (e.g., "ω-Bromohexanoic") Lowercase the first non-Greek letter after a capital Greek letter (e.g., "Δ-9-tetrahydrocannabinol") Capitalize the genus but not the species epithet. The Bluebook According to the 21st edition of The Bluebook, used for legal citations, the following title capitalization rules should be applied: Capitalize the first and the last word. Capitalize nouns, pronouns, adjectives, verbs (including phrasal verbs such as "play with"), adverbs, and subordinate conjunctions. Lowercase articles (a, an, the), coordinating conjunctions, and prepositions of four letters or fewer. Lowercase "to" in infinitives (though not defined in the stylebook). Title case in references The use of title case or sentence case in the references of scholarly publications is determined by the used citation style