AMA Style lowercases articles, coordinating conjunctions, and short prepositions, much like AP Style. Generic title case has no formal rule about which prepositions to lowercase.
Title case capitalizes every significant word in a title, including nouns, verbs, adjectives, and adverbs. Short function words are lowercased unless they open or close the title.
Title case is the default format for book titles, film titles, and album names in American English. It signals that a phrase is a formal title rather than ordinary prose.
Open Title Case converterAMA Style capitalizes major words while lowercasing articles, coordinating conjunctions, and short prepositions. It governs journals published by the American Medical Association, including JAMA.
AMA Style is required for submissions to major medical journals and most clinical research publications. Medical writers and clinical researchers are expected to follow it.
Open AMA Style converterTitle case is the default format for book titles, film titles, and album names in American English. It signals that a phrase is a formal title rather than ordinary prose.
Nouns, verbs, adjectives, and adverbs are always capitalized. Articles, coordinating conjunctions, and short prepositions are lowercased in the middle of a title.
AMA Style is required for submissions to major medical journals and most clinical research publications. Medical writers and clinical researchers are expected to follow it.
Prepositions of three letters or fewer are lowercased. Proper nouns, brand names, and drug names follow their standard capitalization throughout.
Choose title case for general-purpose content without a specific medical or journalistic audience.
Choose AMA Style when submitting to medical journals, clinical publications, or any outlet governed by the American Medical Association Manual of Style.
For most short titles, AMA Style and title case produce similar output. The difference appears with titles containing short prepositions like of, in, and at, which AMA Style lowercases.