Não informado. (1923). Minnesota Studies in Plant Science. University of Minnesota.
Style de citation Chicago (17e éd.)Não informado. Minnesota Studies in Plant Science. Minneapolis, Minn: University of Minnesota, 1923.
Style de citation MLA (8e éd.)Não informado. Minnesota Studies in Plant Science. University of Minnesota, 1923.
Attention : ces citations peuvent ne pas être correctes à 100%.