United States. Department of Agriculture. (1931). Journal of agricultural research, Volume 42. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Journal of Agricultural Research, Volume 42. [Washington]: GPO, 1931.
MLA (9th ed.) CitationUnited States. Department of Agriculture. Journal of Agricultural Research, Volume 42. GPO, 1931.
Warning: These citations may not always be 100% accurate.