APA (7th ed.) Citation

Johnsgard, P. A., & Carbonell, M. (1996). Ruddy ducks & other stifftails: Their behavior and biology. University of Oklahoma Press.

Chicago Style (17th ed.) Citation

Johnsgard, Paul A., and Montserrat Carbonell. Ruddy Ducks & Other Stifftails: Their Behavior and Biology. Norman: University of Oklahoma Press, 1996.

MLA (9th ed.) Citation

Johnsgard, Paul A., and Montserrat Carbonell. Ruddy Ducks & Other Stifftails: Their Behavior and Biology. University of Oklahoma Press, 1996.