Não informado. (1911). Annals of the Association of American Geographers. Association of American Geographers.
Cita Chicago Style (17a ed.)Não informado. Annals of the Association of American Geographers. Washington: Association of American Geographers, 1911.
Cita MLA (8a ed.)Não informado. Annals of the Association of American Geographers. Association of American Geographers, 1911.
Precaución: Estas citas no son 100% exactas.