APA-referens

Drewes, R. C., Hillman, S. S., Hillyard, S. D., & Withers, P. C. (2009). Ecological and environmental physiology of Amphibians.

Chicago-stil citat

Drewes, Robert C., Stanley S. Hillman, Stanley D. Hillyard, och Philip C. Withers. Ecological and Environmental Physiology of Amphibians. Newyork, Oxford, 2009.

MLA-referens

Drewes, Robert C., et al. Ecological and Environmental Physiology of Amphibians. 2009.