APA (7th ed.) Citation

Edwards, E. E. (1939). A guide for courses in the history of American agriculture. U.S. Dept. of Agriculture, Library.

Chicago Style (17th ed.) Citation

Edwards, Everett Eugene. A Guide for Courses in the History of American Agriculture. Washington, D.C.: U.S. Dept. of Agriculture, Library, 1939.

MLA (9th ed.) Citation

Edwards, Everett Eugene. A Guide for Courses in the History of American Agriculture. U.S. Dept. of Agriculture, Library, 1939.