Style de citation APA (7e éd.)

Boehm, R. G., Armstrong, D. G., & Hunkins, F. P. Geography: The world and its people.

Style de citation Chicago (17e éd.)

Boehm, Richard G., David G. Armstrong, et Francis P. Hunkins. Geography: The World and Its People.

Style de citation MLA (8e éd.)

Boehm, Richard G., et al. Geography: The World and Its People.