APA (7th ed.) Citation

Clark, W. H. (1945). Farms and farmers: The story of American agriculture. L. C. Page.

Chicago Style (17th ed.) Citation

Clark, William Horace. Farms and Farmers: The Story of American Agriculture. Boston: L. C. Page, 1945.

MLA (9th ed.) Citation

Clark, William Horace. Farms and Farmers: The Story of American Agriculture. L. C. Page, 1945.