Proctor, R. J. (1968). Geology of the Desert Hot Springs-Upper Coachella Valley area, California: With a selected bibliography of the Coachella Valley, Salton Sea, and vicinity.
Chicago Style (17th ed.) CitationProctor, Richard J. Geology of the Desert Hot Springs-Upper Coachella Valley Area, California: With a Selected Bibliography of the Coachella Valley, Salton Sea, and Vicinity. San Francisco, Calif, 1968.
MLA (9th ed.) CitationProctor, Richard J. Geology of the Desert Hot Springs-Upper Coachella Valley Area, California: With a Selected Bibliography of the Coachella Valley, Salton Sea, and Vicinity. 1968.
Warning: These citations may not always be 100% accurate.