Devils Tower : Devils Tower National Monument, Wyoming

MLA

United States. Devils Tower : Devils Tower National Monument, Wyoming. Washington, D.C. : U.S. Dept. of the Interior : Supt. of Docs., U.S.G.P.O. [distributor], 1981.

APA

United States. (1981). Devils Tower : Devils Tower National Monument, Wyoming. Washington, D.C. : U.S. Dept. of the Interior : Supt. of Docs., U.S.G.P.O. [distributor].

Chicago

United States. Devils Tower : Devils Tower National Monument, Wyoming. Washington, D.C. : U.S. Dept. of the Interior : Supt. of Docs., U.S.G.P.O. [distributor], 1981.