APA Citation

Cooper, P. L., & Roberts, F. H. H. 1. Archeological investigations in the Heart Butte Reservoir area, North Dakota.

Chicago Style Citation

Cooper, Paul L., and Frank Harold Hanna 1897-1966 Roberts. Archeological Investigations in the Heart Butte Reservoir Area, North Dakota.

MLA Citation

Cooper, Paul L., and Frank Harold Hanna 1897-1966 Roberts. Archeological Investigations in the Heart Butte Reservoir Area, North Dakota.

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