Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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