Cita APA (7a ed.)

Horowitz, R., & Belasco, W. J. (2009). Food Chains: From Farmyard to Shopping Cart. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

Horowitz, Roger, y Warren James Belasco. Food Chains: From Farmyard to Shopping Cart. Philadelphia: University of Pennsylvania Press, 2009.

Cita MLA (8a ed.)

Horowitz, Roger, y Warren James Belasco. Food Chains: From Farmyard to Shopping Cart. University of Pennsylvania Press, 2009.