Não informado. (1923). Minnesota Studies in Plant Science. University of Minnesota.
Chicagoスタイル(17版)引用形式Não informado. Minnesota Studies in Plant Science. Minneapolis, Minn: University of Minnesota, 1923.
MLA(8版)引用形式Não informado. Minnesota Studies in Plant Science. University of Minnesota, 1923.
警告: この引用は必ずしも正確ではありません.