An introduction to agriculture /
by A. A. Upham and G. A. Schmidt.

APA Citation

Upham, A. A. (Arthur Aquila)., Schmidt, G. Adolphus. (1919). An introduction to agriculture. New ed., thoroughly rev. New York: D. Appleton and Co..

MLA Citation

Upham, Arthur A. (Arthur Aquila), 1853-, and Gustavus Adolphus Schmidt. An Introduction to Agriculture. New ed., thoroughly rev. New York: D. Appleton and Co., 1919.