APA (7th ed.) Citation

United States. Department of Agriculture. (1927). Directory of field activities of Bureau of Plant Industry. GPO.

Chicago Style (17th ed.) Citation

United States. Department of Agriculture. Directory of Field Activities of Bureau of Plant Industry. [Washington]: GPO, 1927.

MLA (9th ed.) Citation

United States. Department of Agriculture. Directory of Field Activities of Bureau of Plant Industry. GPO, 1927.

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