MLA

O'Relly, Edward. Sexercises : Isometric and Isotonic. New York (N.Y.): Pocket books, 1968.

APA

O'Relly, E. (1968). Sexercises : isometric and isotonic. New York (N.Y.): Pocket books.

Chicago

O'Relly, Edward Sexercises: Isometric and Isotonic. New York (N.Y.): Pocket books, 1968.