Simpson, J. R., & Farris, D. E. (1982). The world`s beef business. Iowa State University Press.
Cita Chicago Style (17a ed.)Simpson, James R., y Donald E. Farris. The World`s Beef Business. Ames: Iowa State University Press, 1982.
Cita MLA (8a ed.)Simpson, James R., y Donald E. Farris. The World`s Beef Business. Iowa State University Press, 1982.
Precaución: Estas citas no son 100% exactas.