Often this becomes a matter of private judgment and context.
For instance, whether you italicize the Italian sotto voce depends largely on your audience and your subject matter.
by Chelsea Lee APA Style has special formatting rules for the titles of the sources you use in your paper, such as the titles of books, articles, book chapters, reports, and webpages.
The different formats that might be applied are capitalization (see , section 4.15), italics (see section 4.21), and quotation marks (see section 4.07), and they are used in different combinations for different kinds of sources in different contexts.
There were four and's and one therefore in that last sentence.
(Notice that the apostrophe-s, used to create the plural of the word-as-word and, is not italicized.In both cases, proper nouns and certain other types of words are always capitalized.Here are more detailed directions for implementing title case and sentence case.These rules and suggestions do not apply to newspaper writing, which has its own set of regulations in this matter.Italics do not include punctuation marks (end marks or parentheses, for instance) next to the words being italicized unless those punctuation marks are meant to be considered as part of what is being italicized: "Have you read Stephen King's Pet Semetary?(The question mark is not italicize here.) Also, do not italicize the apostrophe-s which creates the possessive of a title: "What is the Courant 's position on this issue?" You'll have to watch your word-processor on this, as most word-processors will try to italicize the entire word that you double-click on.More on Capitalization: Title Case Versus Sentence Case APA Style uses two kinds of capitalization to format reference titles, which are also mentioned in the table above: title case and sentence case.APA’s title case refers to a capitalization style in which most words are capitalized, and sentence case refers to a capitalization style in which most words are lowercased.Remember that people used to type their work or write it longhand.When titles needed to be italicized, italics were represented by underlining. Do NOT use quotation marks, underline, or italics together.