APA (7th ed.) Citation

Penson, J. B., Pope, R. D., & Cook, M. L. (1986). Introduction to agricultural economics. Prentice-Hall.

Chicago Style (17th ed.) Citation

Penson, John B., Rulon D. Pope, and Michael L. Cook. Introduction to Agricultural Economics. Englewood Cliffs, N.J: Prentice-Hall, 1986.

MLA (9th ed.) Citation

Penson, John B., et al. Introduction to Agricultural Economics. Prentice-Hall, 1986.