Cita APA (7a ed.)

Long, R. A. (2008). Noninvasive survey methods for carnivores. Island Press.

Cita Chicago Style (17a ed.)

Long, Robert A. Noninvasive Survey Methods for Carnivores. Washington, DC: Island Press, 2008.

Cita MLA (8a ed.)

Long, Robert A. Noninvasive Survey Methods for Carnivores. Island Press, 2008.