Bradford, S. (1962). Spain in the world. D. Van Nostrand Company.
Cita Chicago Style (17a ed.)Bradford, Sax. Spain in the World. Princeton, New Jersey [etc.]: D. Van Nostrand Company, 1962.
Cita MLA (9a ed.)Bradford, Sax. Spain in the World. D. Van Nostrand Company, 1962.
Precaución: Estas citas no son 100% exactas.