American Association of Geographers. (1943). Professional Geographer. Association of American Geographers.
Chicago-Zitierstil (17. Ausg.)American Association of Geographers. Professional Geographer. Washington: Association of American Geographers, 1943.
MLA-Zitierstil (8. Ausg.)American Association of Geographers. Professional Geographer. Association of American Geographers, 1943.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.