APA (7th ed.) Citation

National Agricultural Library (U.S.). National Agricultural Library digital collections. U.S. Dept. of Agriculture, National Agricultural Library.

Chicago Style (17th ed.) Citation

National Agricultural Library (U.S.). National Agricultural Library Digital Collections. Beltsville, Md.: U.S. Dept. of Agriculture, National Agricultural Library.

MLA (9th ed.) Citation

National Agricultural Library (U.S.). National Agricultural Library Digital Collections. U.S. Dept. of Agriculture, National Agricultural Library.