Cotton, R. T. (1930). Stored-grain pests (Rev. June 1930.). U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationCotton, R. T. Stored-grain Pests. Rev. June 1930. Washington, D.C: U.S. Dept. of Agriculture, 1930.
MLA (9th ed.) CitationCotton, R. T. Stored-grain Pests. Rev. June 1930. U.S. Dept. of Agriculture, 1930.
Warning: These citations may not always be 100% accurate.