Não informado. (1930). Program of activities of the Chicago Academy of Sciences. Chicago Academy of Sciences.
Style de citation Chicago (17e éd.)Não informado. Program of Activities of the Chicago Academy of Sciences. Chicago, Ill: Chicago Academy of Sciences, 1930.
Style de citation MLA (8e éd.)Não informado. Program of Activities of the Chicago Academy of Sciences. Chicago Academy of Sciences, 1930.
Attention : ces citations peuvent ne pas être correctes à 100%.