APA Citation

Gerking, S. D. (1974). Biological systems (2a. ed.). Philadelphia: W. B. Saunders.

Chicago Style Citation

Gerking, Shelby D. Biological Systems. 2a. ed. Philadelphia: W. B. Saunders, 1974.

MLA Citation

Gerking, Shelby D. Biological Systems. 2a. ed. Philadelphia: W. B. Saunders, 1974.

Warning: These citations may not always be 100% accurate.