Não informado. (1940). University of Kansas science bulletin. University of Kansas.
Style de citation Chicago (17e éd.)Não informado. University of Kansas Science Bulletin. Lawrence, Kan: University of Kansas, 1940.
Style de citation MLA (8e éd.)Não informado. University of Kansas Science Bulletin. University of Kansas, 1940.
Attention : ces citations peuvent ne pas être correctes à 100%.