APA (7th ed.) Citation

Liao, T. R. (1981). The history of American agriculture. Science Reference Section, Science and Technology Division, Library of Congress.

Chicago Style (17th ed.) Citation

Liao, Tien Ren. The History of American Agriculture. Washington, D.C.: Science Reference Section, Science and Technology Division, Library of Congress, 1981.

MLA (9th ed.) Citation

Liao, Tien Ren. The History of American Agriculture. Science Reference Section, Science and Technology Division, Library of Congress, 1981.