United States. Department of Agriculture. Office of the Secretary. (1911). Instructions regarding collection of samples under Insecticide Act of 1910. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Instructions Regarding Collection of Samples Under Insecticide Act of 1910. Washington: U.S. GPO, 1911.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary. Instructions Regarding Collection of Samples Under Insecticide Act of 1910. U.S. GPO, 1911.
Warning: These citations may not always be 100% accurate.