APA-referens (7:e uppl.)

Não informado. (2012). Publications of the Yerkes Observatory. University of Chicago Press.

Chicago-referens (17:e uppl.)

Não informado. Publications of the Yerkes Observatory. Chicago, Ill: University of Chicago Press, 2012.

MLA-referens (8:e uppl.)

Não informado. Publications of the Yerkes Observatory. University of Chicago Press, 2012.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.