Cita APA

Sprague, G. F., & Dudley, J. W. (1988). Corn and corn improvement (3a ed.). Madison: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America.

Citación estilo Chicago

Sprague, G. F., and J. W. Dudley. Corn and Corn Improvement. 3a ed. Madison: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 1988.

Cita MLA

Sprague, G. F., and J. W. Dudley. Corn and Corn Improvement. 3a ed. Madison: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 1988.