APA

Stevens F. L., Hall J. G., . (1919). Diseases of economic plants. New York: The Macmillan Company.

Chicago

Stevens Frank Lincoln, Hall John Galentine, . 1919. Diseases of economic plants. New York: The Macmillan Company.

Harvard

Stevens F. L., Hall J. G., . (1919). Diseases of economic plants. New York: The Macmillan Company.

MLA

Stevens Frank Lincoln, Hall John Galentine, . Diseases of economic plants. New York: The Macmillan Company. 1919.