APA (7th ed.) Citation

Gras, N. S. B. (1940). A history of agriculture in Europe and America (2nd ed.). F.S. Crofts.

Chicago Style (17th ed.) Citation

Gras, Norman Scott Brien. A History of Agriculture in Europe and America. 2nd ed. New York: F.S. Crofts, 1940.

MLA (9th ed.) Citation

Gras, Norman Scott Brien. A History of Agriculture in Europe and America. 2nd ed. F.S. Crofts, 1940.