Cita APA (7th ed.)

Penson, J. B. J., Capps, O., Rosson, C. P., & Woodward, R. T. (2018). Introduction to agricultural economics (Seventh edition.). Pearson.

Cita Chicago (17th ed.)

Penson, John B. Jr, Oral Capps, C. Parr Rosson, i Richard T. Woodward. Introduction to Agricultural Economics. Seventh edition. NY, NY: Pearson, 2018.

Cita MLA (9th ed.)

Penson, John B. Jr, et al. Introduction to Agricultural Economics. Seventh edition. Pearson, 2018.