APA-referens (7:e uppl.)

Upham, A. A. (1910). An introduction to agriculture. D. Appleton and Company.

Chicago-referens (17:e uppl.)

Upham, Arthur A. An Introduction to Agriculture. New York: D. Appleton and Company, 1910.

MLA-referens (8:e uppl.)

Upham, Arthur A. An Introduction to Agriculture. D. Appleton and Company, 1910.