Cita APA

Penson, J. B. (1999). Introduction to agricultural economics (2nd ed.). Prentice Hall.

Citación estilo Chicago

Penson, John B. Introduction to Agricultural Economics. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 1999.

Cita MLA

Penson, John B. Introduction to Agricultural Economics. 2nd ed. Prentice Hall, 1999.