Cita APA

Plummer, C. C. (2005). Physical geology. Boston: McGraw-Hill.

Chicago Style Citation

Plummer, Charles C. Physical Geology. Boston: McGraw-Hill, 2005.

Cita MLA

Plummer, Charles C. Physical Geology. Boston: McGraw-Hill, 2005.

Atenció: Aquestes cites poden no estar 100% correctes.