APA Style

Tortora, G, J., Mohan, J, L. (1990). Instructor's manual to accompany Tortora and Anagnostakos Principles of anatomy and physiology (6th Edition). New York: Happer & Row.

MLA Style

Tortora, Gerard, J., Mohan, Judith, Lanum. "Instructor's manual to accompany Tortora and Anagnostakos Principles of anatomy and physiology". 6th Edition New York: Happer & Row, 1990. Text.