APA

Robbins W. W., Weier T. E., . (1950). Botany an introduction to plant science. New York: John Wiley and Sons.

Chicago

Robbins Wilfred W, Weier T Elliot, . 1950. Botany an introduction to plant science. New York: John Wiley and Sons.

Harvard

Robbins W. W., Weier T. E., . (1950). Botany an introduction to plant science. New York: John Wiley and Sons.

MLA

Robbins Wilfred W, Weier T Elliot, . Botany an introduction to plant science. New York: John Wiley and Sons. 1950.