APA Edition Citation

Barkley, A., & Barkley, P. W. (2013). Principles of agricultural economics. Routledge.

Chicago Edition Citation

Barkley, Andrew, and Paul W. Barkley. Principles of Agricultural Economics. London ; New York: Routledge, 2013.

MLA Edition Citation

Barkley, Andrew, and Paul W. Barkley. Principles of Agricultural Economics. Routledge, 2013.

Warning: These citations may not always be 100% accurate.