Style de citation APA (7e éd.)

Proctor, J. D., & Smith, D. M. (1999). Geography and ethics: Journeys in a moral terrain. Routledge.

Style de citation Chicago (17e éd.)

Proctor, James D., et David M. Smith. Geography and Ethics: Journeys in a Moral Terrain. London ; New York: Routledge, 1999.

Style de citation MLA (8e éd.)

Proctor, James D., et David M. Smith. Geography and Ethics: Journeys in a Moral Terrain. Routledge, 1999.