Não informado. (2012). Publications of the Yerkes Observatory. University of Chicago Press.
Style de citation Chicago (17e éd.)Não informado. Publications of the Yerkes Observatory. Chicago, Ill: University of Chicago Press, 2012.
Style de citation MLA (8e éd.)Não informado. Publications of the Yerkes Observatory. University of Chicago Press, 2012.
Attention : ces citations peuvent ne pas être correctes à 100%.