APA

Dittmer H. J., . (1972). Modern plant biology. New York: Van Nostrand Reinhold Co.

Chicago

Dittmer Howard J, . 1972. Modern plant biology. New York: Van Nostrand Reinhold Co.

Harvard

Dittmer H. J., . (1972). Modern plant biology. New York: Van Nostrand Reinhold Co.

MLA

Dittmer Howard J, . Modern plant biology. New York: Van Nostrand Reinhold Co. 1972.