APA

Stevens F. L., . (1925). Plant disease Fungi. New York: The Macmillan company.

Chicago

Stevens Frank Lincoln, . 1925. Plant disease Fungi. New York: The Macmillan company.

Harvard

Stevens F. L., . (1925). Plant disease Fungi. New York: The Macmillan company.

MLA

Stevens Frank Lincoln, . Plant disease Fungi. New York: The Macmillan company. 1925.