APA (7th ed.) Citation

Penson, J. B., Capps, O., Rosson, C. P., & Woodward, R. T. Introduction to Agricultural Economics.

Chicago Style (17th ed.) Citation

Penson, John B., Oral Capps, C. Parr Rosson, and Richard T. Woodward. Introduction to Agricultural Economics.

MLA (9th ed.) Citation

Penson, John B., et al. Introduction to Agricultural Economics.