APA-Zitierstil (7. Ausg.)

(1974). Map of the Wyodak-Anderson coal bed in the Gillette area, Campbell county, Wyoming. U.S. Geological Survey.

Chicago-Zitierstil (17. Ausg.)

Map of the Wyodak-Anderson Coal Bed in the Gillette Area, Campbell County, Wyoming. Reston, Va: U.S. Geological Survey, 1974.

MLA-Zitierstil (9. Ausg.)

Map of the Wyodak-Anderson Coal Bed in the Gillette Area, Campbell County, Wyoming. U.S. Geological Survey, 1974.