Cita APA (7a ed.)

Seigel, R. A., & Mullin, S. J. (2009). Snakes: Ecology and Conservation. Comstock Pub. Associates/Cornell University Press.

Cita Chicago Style (17a ed.)

Seigel, Richard A., y Stephen J. Mullin. Snakes: Ecology and Conservation. Ithaca: Comstock Pub. Associates/Cornell University Press, 2009.

Cita MLA (8a ed.)

Seigel, Richard A., y Stephen J. Mullin. Snakes: Ecology and Conservation. Comstock Pub. Associates/Cornell University Press, 2009.