Cita APA (7a ed.)
Shapiro, B. I., Brorsen, B., & Doster, D. (1992). Adoption of double-cropping soybeans and wheat.
Cita Chicago Style (17a ed.)
Shapiro, Barry I., B.W Brorsen, y D.H Doster. Adoption of Double-cropping Soybeans and Wheat. 1992.
Cita MLA (9a ed.)
Shapiro, Barry I., et al. Adoption of Double-cropping Soybeans and Wheat. 1992.
Precaución: Estas citas no son 100% exactas.