Style de citation APA (7e éd.)

Perdue, A., & Lockwood, R. (2014). Animal Cruelty and Freedom of Speech: When Worlds Collide. Purdue University Press.

Style de citation Chicago (17e éd.)

Perdue, Abigail, et Randall Lockwood. Animal Cruelty and Freedom of Speech: When Worlds Collide. West Lafayette, Indiana: Purdue University Press, 2014.

Style de citation MLA (8e éd.)

Perdue, Abigail, et Randall Lockwood. Animal Cruelty and Freedom of Speech: When Worlds Collide. Purdue University Press, 2014.