APA (7th ed.) Citation

United States. Department of Agriculture. (1929). Journal of agricultural research, Volume 39. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Journal of Agricultural Research, Volume 39. [Washington]: GPO, 1929.

MLA (9th ed.) Citation

United States. Department of Agriculture. Journal of Agricultural Research, Volume 39. GPO, 1929.

Warning: These citations may not always be 100% accurate.