Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.