American Association of Geographers. (1943). Professional Geographer. Association of American Geographers.
Cita Chicago Style (17a ed.)American Association of Geographers. Professional Geographer. Washington: Association of American Geographers, 1943.
Cita MLA (8a ed.)American Association of Geographers. Professional Geographer. Association of American Geographers, 1943.
Precaución: Estas citas no son 100% exactas.