APA (7th ed.) Citation

Sprague, G. F. (1977). Corn and corn improvement ([2d ed.].). American Society of Agronomy.

Chicago Style (17th ed.) Citation

Sprague, G. F. Corn and Corn Improvement. [2d ed.]. Madison, Wis.: American Society of Agronomy, 1977.

MLA (9th ed.) Citation

Sprague, G. F. Corn and Corn Improvement. [2d ed.]. American Society of Agronomy, 1977.