Cita APA (7a ed.)

Lutwyche, R. (2019). The Pig: A Natural History. Princeton University Press.

Cita Chicago Style (17a ed.)

Lutwyche, Richard. The Pig: A Natural History. Princeton, NJ: Princeton University Press, 2019.

Cita MLA (8a ed.)

Lutwyche, Richard. The Pig: A Natural History. Princeton University Press, 2019.