APA (7th ed.) Citation

Masson, J. M., McCarthy, S., & Downs, B. (1996). When elephants weep: The emotional lives of animals (New edition.). Vintage.

Chicago Style (17th ed.) Citation

Masson, J. Moussaieff, Susan McCarthy, and Barbara Downs. When Elephants Weep: The Emotional Lives of Animals. New edition. London: Vintage, 1996.

MLA (9th ed.) Citation

Masson, J. Moussaieff, et al. When Elephants Weep: The Emotional Lives of Animals. New edition. Vintage, 1996.