Hickman, C. P., Roberts, L. S., & Larson, A. (2003). Animal diversity (3rd ed.). McGraw - Hill.

Hickman, Cleveland P., Larry S. Roberts, and Allan Larson. Animal Diversity. 3rd ed. Boston: McGraw - Hill, 2003.

Hickman, Cleveland P., et al. Animal Diversity. 3rd ed. McGraw - Hill, 2003.