Cita APA

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

Citación estilo Chicago

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

Cita MLA

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