Não informado. (2012). Publications of the Yerkes Observatory. University of Chicago Press.
Chicagoスタイル(17版)引用形式Não informado. Publications of the Yerkes Observatory. Chicago, Ill: University of Chicago Press, 2012.
MLA(8版)引用形式Não informado. Publications of the Yerkes Observatory. University of Chicago Press, 2012.
警告: この引用は必ずしも正確ではありません.