Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Shetrone, H. C. (1928). Some Ohio caves and rock shelters bearing evidences of human occupancy. - Columbus, OH.

Chicago Citation Edition Citation

Shetrone, Henry C. Some Ohio Caves and Rock Shelters Bearing Evidences of Human Occupancy. - Columbus, OH. 1928.

MLA Citation Edition Citation

Shetrone, Henry C. Some Ohio Caves and Rock Shelters Bearing Evidences of Human Occupancy. - Columbus, OH. 1928.