Cita APA (7a ed.)

Villezca Becerra, P. A., & Richard Shumway, C. (1992). State-level output supply and input demand elasticities for agricultural commodities.

Cita Chicago Style (17a ed.)

Villezca Becerra, Pedro Antonio, y C. Richard Shumway. State-level Output Supply and Input Demand Elasticities for Agricultural Commodities. 1992.

Cita MLA (9a ed.)

Villezca Becerra, Pedro Antonio, y C. Richard Shumway. State-level Output Supply and Input Demand Elasticities for Agricultural Commodities. 1992.