APA (7e ed.) Bronvermelding

Não informado. (1923). Minnesota Studies in Plant Science. University of Minnesota.

Chicago (17e ed.) Bronvermelding

Não informado. Minnesota Studies in Plant Science. Minneapolis, Minn: University of Minnesota, 1923.

MLA (8e ed.) Bronvermelding

Não informado. Minnesota Studies in Plant Science. University of Minnesota, 1923.

Let op: Deze citaties zijn niet altijd 100% accuraat.