APA (7th ed.) Citation

United States. Department of Agriculture. (1920). Journal of agricultural research, Volume XX. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Journal of Agricultural Research, Volume XX. [Washington]: [publisher not identified], 1920.

MLA (9th ed.) Citation

United States. Department of Agriculture. Journal of Agricultural Research, Volume XX. [publisher not identified], 1920.

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