APA引文

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

Trích dẫn kiểu Chicago

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

MLA引文

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

警告：這些引文格式不一定是100％准確.