Whether indexing a book yourself or hiring a professional, you will need to make some choices about the style of the index.
Style guides refer to the overall formatting and structure of a manuscript.
Ask your publisher if they have an in-house style guide or which guide you should use. One of the most commonly used style guides is the Chicago Manual of Style. Consistency is your goal . Initial Capitalization of Heading Wolf Center. Canis Lupus familiaris Cross Reference, Capitalized, Beginning of Entry wolves.