Hickman, C. P., Roberts, L. S., & Larson, A. (2003). Animal diversity (3rd ed.). McGraw - Hill.
Cita Chicago (17th ed.)Hickman, Cleveland P., Larry S. Roberts, i Allan Larson. Animal Diversity. 3rd ed. Boston: McGraw - Hill, 2003.
Cita MLA (9th ed.)Hickman, Cleveland P., et al. Animal Diversity. 3rd ed. McGraw - Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.