Cita APA (7a ed.)

American Society of Agronomy & Soil Science Society of America. SSSA. (1980). Moving up the yield curve.: Advances and obstacles. American Society of Agronomy ; Soil Science Society of America.

Cita Chicago Style (17a ed.)

American Society of Agronomy y Soil Science Society of America. SSSA. Moving Up the Yield Curve.: Advances and Obstacles. Madison, WI: American Society of Agronomy ; Soil Science Society of America, 1980.

Cita MLA (8a ed.)

American Society of Agronomy y Soil Science Society of America. SSSA. Moving Up the Yield Curve.: Advances and Obstacles. American Society of Agronomy ; Soil Science Society of America, 1980.