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.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.