Cita APA (7th ed.)

McGarry, M. J., & Schmitz, A. (1992). The World Grain Trade: Grain Marketing, Institutions, and Policies. Westview Press.

Cita Chicago (17th ed.)

McGarry, Michael J., i Andrew Schmitz. The World Grain Trade: Grain Marketing, Institutions, and Policies. Boulder: Westview Press, 1992.

Cita MLA (9th ed.)

McGarry, Michael J., i Andrew Schmitz. The World Grain Trade: Grain Marketing, Institutions, and Policies. Westview Press, 1992.