APA (7th ed.) Citation

Regan, T. (1989). Animal rights and human obligations (2. ed.). Prentice Hall.

Chicago Style (17th ed.) Citation

Regan, Tom. Animal Rights and Human Obligations. 2. ed. Englewood Cliffs, NJ: Prentice Hall, 1989.

MLA (8th ed.) Citation

Regan, Tom. Animal Rights and Human Obligations. 2. ed. Prentice Hall, 1989.