APA (7th ed.) Citation

Geological Survey (U.S.), McLellan, M. W., & Biewick, L. H. (1988). Stratigraphic framework of the Paleocene coal beds in the Broadus 30ʹ x 60ʹ quadrangle, Powder River Basin, Montana-Wyoming. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Marguerite W. McLellan, and Laura H. Biewick. Stratigraphic Framework of the Paleocene Coal Beds in the Broadus 30ʹ X 60ʹ Quadrangle, Powder River Basin, Montana-Wyoming. Reston, Va.: The Survey, 1988.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Stratigraphic Framework of the Paleocene Coal Beds in the Broadus 30ʹ X 60ʹ Quadrangle, Powder River Basin, Montana-Wyoming. The Survey, 1988.