Manuscript Preparation, Copyediting, and Proofreading
Q. In CMOS (16th ed.), fig. 1.1, the ISBN is followed by a format designator in parentheses—the example given is “(cloth).” What are Chicago’s other standard format labels for other types of binding?
A. We use cloth, paper, and e-book. [Update: For a newer example, see fig. 1.1 in the 17th edition.]