Cita APA (7a ed.)
McGeary, D., Plummer, C. C., & Carlson, D. H. (2004). Physical geology: Earth revealed (5th ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)
McGeary, David, Charles C. Plummer, y Diane H. Carlson. Physical Geology: Earth Revealed. 5th ed. Boston: McGraw-Hill, 2004.
Cita MLA (9a ed.)
McGeary, David, et al. Physical Geology: Earth Revealed. 5th ed. McGraw-Hill, 2004.
Precaución: Estas citas no son 100% exactas.