APA (7th ed.) Citation

Villee, C. A., Walker, W. F., & Barnes, R. D. (1973). General zoology. Saunders College Pub.

Chicago Style (17th ed.) Citation

Villee, Claude Alvin, Warren F. Walker, and Robert D. Barnes. General Zoology. Philadelphia: Saunders College Pub, 1973.

MLA (9th ed.) Citation

Villee, Claude Alvin, et al. General Zoology. Saunders College Pub, 1973.