Cita APA

Plummer, C. C. (2001). Physical geology. WCB/McGraw-Hill.

Chicago Style Citation

Plummer, Charles C. Physical Geology. WCB/McGraw-Hill, 2001.

Cita MLA

Plummer, Charles C. Physical Geology. WCB/McGraw-Hill, 2001.

Atenció: Aquestes cites poden no estar 100% correctes.