Não informado. (1901). Bulletin of the American Geographical Society. American Geographical Society.
Chicagoスタイル(17版)引用形式Não informado. Bulletin of the American Geographical Society. New York: American Geographical Society, 1901.
MLA(8版)引用形式Não informado. Bulletin of the American Geographical Society. American Geographical Society, 1901.
警告: この引用は必ずしも正確ではありません.