APA (7th ed.) Citation

Regan, T., & Singer, P. (1976). Animal rights and human obligations. Prentice-Hall.

Chicago Style (17th ed.) Citation

Regan, Tom, and Peter Singer. Animal Rights and Human Obligations. Englewood Cliffs, N.J.: Prentice-Hall, 1976.

MLA (9th ed.) Citation

Regan, Tom, and Peter Singer. Animal Rights and Human Obligations. Prentice-Hall, 1976.