APA (7th ed.) Citation

Sprague, G. F., & Dudley, J. W. (1988). Corn and corn improvement (3rd ed.). American Society of Agronomy.

Chicago Style (17th ed.) Citation

Sprague, G. F., and J. W. Dudley. Corn and Corn Improvement. 3rd ed. Madison, Wis.: American Society of Agronomy, 1988.

MLA (9th ed.) Citation

Sprague, G. F., and J. W. Dudley. Corn and Corn Improvement. 3rd ed. American Society of Agronomy, 1988.