Não informado. (2013). Bulletin of the Illinois Geographical Society. Illinois Geographical Society.
Chicagoスタイル(17版)引用形式Não informado. Bulletin of the Illinois Geographical Society. Chicago, Ill: Illinois Geographical Society, 2013.
MLA(8版)引用形式Não informado. Bulletin of the Illinois Geographical Society. Illinois Geographical Society, 2013.
警告: この引用は必ずしも正確ではありません.