APA (7th ed.) Citation

United States. Office of Experiment Stations. (1920). Report of director of States Relations Service. GPO.

Chicago Style (17th ed.) Citation

United States. Office of Experiment Stations. Report of Director of States Relations Service. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

United States. Office of Experiment Stations. Report of Director of States Relations Service. GPO, 1920.

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