Cita APA (7a ed.)
Hurt, R. D. (1994). American Agriculture: <A> Brief History (1. ed.). Iowa State University Press.
Cita Chicago Style (17a ed.)
Hurt, R. Douglas. American Agriculture: <A> Brief History. 1. ed. Ames: Iowa State University Press, 1994.
Cita MLA (9a ed.)
Hurt, R. Douglas. American Agriculture: <A> Brief History. 1. ed. Iowa State University Press, 1994.
Precaución: Estas citas no son 100% exactas.