Which of the following words in a book's title should be capitalized in a citation? A. conjunctions B. prepositions C. articles D. nouns

D. In writing a book’s title Nouns, Adjectives, Verbs, Adverbs, Pronouns and Subordinating conjunctions should be capitalized while articles (a, an, the), Coordinating Conjunctions: (and, but, or, for, nor, etc.) and Prepositions like on, at, to, from, by, etc. should be in lower case.