APA (7th ed.) Citation

Villee, C. A., Walker, W. F., & Barnes, R. D. (1978). General zoology (5th ed.). Saunders.

Chicago Style (17th ed.) Citation

Villee, Claude A., Warren F. Walker, and Robert D. Barnes. General Zoology. 5th ed. Philadelphia: Saunders, 1978.

MLA (8th ed.) Citation

Villee, Claude A., et al. General Zoology. 5th ed. Saunders, 1978.