United States. Office of Experiment Stations. (1917). Agricultural exhibits and contests; suggestions for teaching subject in secondary schools. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Office of Experiment Stations. Agricultural Exhibits and Contests; Suggestions for Teaching Subject in Secondary Schools. Washington: U.S. GPO, 1917.
MLA (9th ed.) CitationUnited States. Office of Experiment Stations. Agricultural Exhibits and Contests; Suggestions for Teaching Subject in Secondary Schools. U.S. GPO, 1917.
Warning: These citations may not always be 100% accurate.