APA (7th ed.) Citation

Tracy, W. W. (1903). List of American varieties of vegetables for the years 1901 and 1902. U.S. G.P.O..

Chicago Style (17th ed.) Citation

Tracy, W. W. List of American Varieties of Vegetables for the Years 1901 and 1902. Washington, D.C.: U.S. G.P.O., 1903.

MLA (9th ed.) Citation

Tracy, W. W. List of American Varieties of Vegetables for the Years 1901 and 1902. U.S. G.P.O., 1903.