APA-Zitierstil (7. Ausg.)

Froiland, S. G. (2005). Natural history of the Black Hills and Badlands (Fourth printing.). Centre for Western Studies.

Chicago-Zitierstil (17. Ausg.)

Froiland, Sven G. Natural History of the Black Hills and Badlands. Fourth printing. Sioux Falls, South Dakota: Centre for Western Studies, 2005.

MLA-Zitierstil (9. Ausg.)

Froiland, Sven G. Natural History of the Black Hills and Badlands. Fourth printing. Centre for Western Studies, 2005.