APA (7e ed.) Bronvermelding
Boehm, R. G., Armstrong, D. G., & Hunkins, F. P. (2002). Geography: The world and its people. Glencoe/ McGraw-Hill.
Chicago (17e ed.) Bronvermelding
Boehm, Richard G., David G. Armstrong, en Francis P. Hunkins. Geography: The World and Its People. New York: Glencoe/ McGraw-Hill, 2002.
MLA (9e ed.) Bronvermelding
Boehm, Richard G., et al. Geography: The World and Its People. Glencoe/ McGraw-Hill, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.