APA (7th ed.) Citation

Craigh, S. F., Schlager, N., & Thoney, D. A. (2004). Grzimek's animal life encyclopedia, Vol. 2: Protostomes (Second ed.). Thomson Gale.

Chicago Style (17th ed.) Citation

Craigh, Sean F., Neil Schlager, and Dennis A. Thoney. Grzimek's Animal Life Encyclopedia, Vol. 2: Protostomes. Second ed. Detroit: Thomson Gale, 2004.

MLA (9th ed.) Citation

Craigh, Sean F., et al. Grzimek's Animal Life Encyclopedia, Vol. 2: Protostomes. Second ed. Thomson Gale, 2004.