Centennial field guide
APA Citation
Decade of North American Geology Project., Geological Society of America. (1986). Centennial field guide. Boulder, Colo.: Geological Society of America.
MLA Citation
Decade of North American Geology Project, and Geological Society of America. Centennial Field Guide. Boulder, Colo.: Geological Society of America, 1986.
Warning: These citations may not always be complete (especially for serials).