Cita APA (7a ed.)

Singer, P. (1977). Animal liberation: : towards an end to man's inhumanity to animals. : Granada.

Cita Chicago Style (17a ed.)

Singer, Peter. Animal Liberation: : Towards an End to Man's Inhumanity to Animals. London: : Granada, 1977.

Cita MLA (8a ed.)

Singer, Peter. Animal Liberation: : Towards an End to Man's Inhumanity to Animals. : Granada, 1977.