APA (7th ed.) Citation

Singer, P., Newkirk, I., & Dover, B. (1991). Save the animals!: 101 easy things you can do. Angus & Robertson.

Chicago Style (17th ed.) Citation

Singer, Peter, Ingrid Newkirk, and Barbara Dover. Save the Animals!: 101 Easy Things You Can Do. North Ryde, NSW: Angus & Robertson, 1991.

MLA (9th ed.) Citation

Singer, Peter, et al. Save the Animals!: 101 Easy Things You Can Do. Angus & Robertson, 1991.