APA (7th ed.) Citation

Tudge, C. (1992). Last animals at the zoo: How mass extinction can be stopped (First Island Press edition.). Island Press.

Chicago Style (17th ed.) Citation

Tudge, Colin. Last Animals at the Zoo: How Mass Extinction Can Be Stopped. First Island Press edition. Washington, D.C.: Island Press, 1992.

MLA (9th ed.) Citation

Tudge, Colin. Last Animals at the Zoo: How Mass Extinction Can Be Stopped. First Island Press edition. Island Press, 1992.