United States. Department of Agriculture & United States. Department of the Interior. (1985). Natural resources research directory. U.S. Dept. of Agriculture : U.S. Dept. of the Interior.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture and United States. Department of the Interior. Natural Resources Research Directory. [Washington, D.C.?]: U.S. Dept. of Agriculture : U.S. Dept. of the Interior, 1985.
MLA (9th ed.) CitationUnited States. Department of Agriculture and United States. Department of the Interior. Natural Resources Research Directory. U.S. Dept. of Agriculture : U.S. Dept. of the Interior, 1985.
Warning: These citations may not always be 100% accurate.