APA (7th ed.) Citation

National Agricultural Library (U.S.). (1987). Our agricultural heritage. National Agricultural Library Special Collections.

Chicago Style (17th ed.) Citation

National Agricultural Library (U.S.). Our Agricultural Heritage. [Beltsville, Md.]: National Agricultural Library Special Collections, 1987.

MLA (9th ed.) Citation

National Agricultural Library (U.S.). Our Agricultural Heritage. National Agricultural Library Special Collections, 1987.