APA (7th ed.) Citation

United States. Office of Experiment Stations. (1939). Report of chief of Office of Experiment Stations, [fiscal year] 1939. [s.n.].

Chicago Style (17th ed.) Citation

United States. Office of Experiment Stations. Report of Chief of Office of Experiment Stations, [fiscal Year] 1939. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

United States. Office of Experiment Stations. Report of Chief of Office of Experiment Stations, [fiscal Year] 1939. [s.n.], 1939.