Cita APA (7a ed.)

Marks, J. M. (2013). The thin green line: A socio-historical analysis of conservation law enforcement in the United States.

Cita Chicago Style (17a ed.)

Marks, John M. The Thin Green Line: A Socio-historical Analysis of Conservation Law Enforcement in the United States. 2013.

Cita MLA (8a ed.)

Marks, John M. The Thin Green Line: A Socio-historical Analysis of Conservation Law Enforcement in the United States. 2013.