United States. Department of Agriculture. Office of the Secretary & Collins, G. N. (1929). Application of statistical methods to seed testing. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and G. N. Collins. Application of Statistical Methods to Seed Testing. Washington: U.S. GPO, 1929.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and G. N. Collins. Application of Statistical Methods to Seed Testing. U.S. GPO, 1929.
Warning: These citations may not always be 100% accurate.