APA (7e ed.) Bronvermelding
McGeary, D., Plummer, C. C., & Carlson, D. H. (2004). Physical geology: Earth revealed (5th ed.). McGraw-Hill.
Chicago (17e ed.) Bronvermelding
McGeary, David, Charles C. Plummer, en Diane H. Carlson. Physical Geology: Earth Revealed. 5th ed. Boston: McGraw-Hill, 2004.
MLA (9e ed.) Bronvermelding
McGeary, David, et al. Physical Geology: Earth Revealed. 5th ed. McGraw-Hill, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.