APA (7th ed.) Citation

United States. Department of Agriculture. (1930). Journal of agricultural research, Volume 40. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Journal of Agricultural Research, Volume 40. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

United States. Department of Agriculture. Journal of Agricultural Research, Volume 40. GPO, 1930.

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