APA (7th ed.) Citation

Duddy, E. A. (1929). Agriculture in the Chicago region. Univ. of Chicago Press.

Chicago Style (17th ed.) Citation

Duddy, Edward A. Agriculture in the Chicago Region. Chicago, Ill: Univ. of Chicago Press, 1929.

MLA (9th ed.) Citation

Duddy, Edward A. Agriculture in the Chicago Region. Univ. of Chicago Press, 1929.

Warning: These citations may not always be 100% accurate.