Cita APA

Byerlee, D., & Harrington, L. (1982). New wheat varieties and the small farmer.

Citación estilo Chicago

Byerlee, D., y L.W Harrington. New Wheat Varieties and the Small Farmer. 1982.

Cita MLA

Byerlee, D., y L.W Harrington. New Wheat Varieties and the Small Farmer. 1982.