APA (7th ed.) Citation

Plummer, C. C., & McGeary, D. (1985). Physical geology. WCB. Publ.

Chicago Style (17th ed.) Citation

Plummer, Charles C., and David McGeary. Physical Geology. WCB. Publ, 1985.

MLA (8th ed.) Citation

Plummer, Charles C., and David McGeary. Physical Geology. WCB. Publ, 1985.

Warning: These citations may not always be 100% accurate.