Cita APA

Plummer, C. C., Carlson, D. H., & McGeary, D. (2003). Physical geology (9th ed.). Boston: McGraw-Hill.

Chicago Style Citation

Plummer, Charles C., Diane H. Carlson, i David McGeary. Physical Geology. 9th ed. Boston: McGraw-Hill, 2003.

Cita MLA

Plummer, Charles C., Diane H. Carlson, i David McGeary. Physical Geology. 9th ed. Boston: McGraw-Hill, 2003.