APA Citation

Geological Society of America, & Geological Society of America. (1973). Geology. Colorado: Geological Society of America.

Chicago Style Citation

Geological Society of America, and Geological Society of America. Geology. Colorado: Geological Society of America, 1973.

MLA Citation

Geological Society of America, and Geological Society of America. Geology. Colorado: Geological Society of America, 1973.

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