United States. Department of Agriculture. Office of the Secretary. (1929). Collection and preservation of insects for use in study of agriculture. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Collection and Preservation of Insects for Use in Study of Agriculture. Washington: U.S. GPO, 1929.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Collection and Preservation of Insects for Use in Study of Agriculture. U.S. GPO, 1929.
Warning: These citations may not always be 100% accurate.