Cita APA (7a ed.)

Crist, E., & Cafaro, P. (2012). Life on the Brink: Environmentalists Confront Overpopulation. University of Georgia Press.

Cita Chicago Style (17a ed.)

Crist, Eileen, y Philip Cafaro. Life on the Brink: Environmentalists Confront Overpopulation. Athens: University of Georgia Press, 2012.

Cita MLA (8a ed.)

Crist, Eileen, y Philip Cafaro. Life on the Brink: Environmentalists Confront Overpopulation. University of Georgia Press, 2012.