Cita APA (7a ed.)
Rippy, J. F. (1928). American policies abroad Mexico. The University of Chicago.
Cita Chicago Style (17a ed.)
Rippy, J. Fred. American Policies Abroad Mexico. Chicago, Illinois: The University of Chicago, 1928.
Cita MLA (9a ed.)
Rippy, J. Fred. American Policies Abroad Mexico. The University of Chicago, 1928.
Precaución: Estas citas no son 100% exactas.