APA (7th ed.) Citation

WHALEY, W. G. (1964). Principles of biology.-- 3rd ed. Harper and Row.

Chicago Style (17th ed.) Citation

WHALEY, W. Gordon. Principles of Biology.-- 3rd Ed. New York: Harper and Row, 1964.

MLA (9th ed.) Citation

WHALEY, W. Gordon. Principles of Biology.-- 3rd Ed. Harper and Row, 1964.