APA (7th ed.) Citation

Mapel, W. J. (1956). Uranium in black shale deposits, northern Rocky Mountains and Great Plains. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Mapel, W. J. Uranium in Black Shale Deposits, Northern Rocky Mountains and Great Plains. Washington [D.C.]: U.S. G.P.O., 1956.

MLA (9th ed.) Citation

Mapel, W. J. Uranium in Black Shale Deposits, Northern Rocky Mountains and Great Plains. U.S. G.P.O., 1956.