APA Style

McGehee, H, A., William, O, . (1984). The Principles and practice of medicine (21st ed.). Norwalk, Conn: Appleton-Century-Crofts.

MLA Style

McGehee, Harvey, Abner., William, Osler, . "The Principles and practice of medicine". 21st ed. Norwalk, Conn: Appleton-Century-Crofts, 1984. Text.