United States. Bureau of Reclamation. (1981). Reclamation era. Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Bureau of Reclamation. Reclamation Era. Denver, Colo. : Washington, D.C.: Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O., 1981.
MLA引文United States. Bureau of Reclamation. Reclamation Era. Bureau of Reclamation ; For sale by the Supt. of Docs., U.S. G.P.O., 1981.
警告:這些引文格式不一定是100%准確.