American Association of Geographers. (1943). Professional Geographer. Association of American Geographers.
Citação do estilo Chicago (17ª ed.)American Association of Geographers. Professional Geographer. Washington: Association of American Geographers, 1943.
Citação MLA (8ª ed.)American Association of Geographers. Professional Geographer. Association of American Geographers, 1943.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.