Cita APA (7a ed.)
Barron, C. W. (1947). The mexican problem. Houghton Mifflin company.
Cita Chicago Style (17a ed.)
Barron, Clarence Walker. The Mexican Problem. Boston and New York: Houghton Mifflin company, 1947.
Cita MLA (9a ed.)
Barron, Clarence Walker. The Mexican Problem. Houghton Mifflin company, 1947.
Precaución: Estas citas no son 100% exactas.