APA

Clements F. E., Shear C. L., . (1973). The genera of fungi. New York: Hafner.

Chicago

Clements Federic E, Shear Cornelius L, . 1973. The genera of fungi. New York: Hafner.

Harvard

Clements F. E., Shear C. L., . (1973). The genera of fungi. New York: Hafner.

MLA

Clements Federic E, Shear Cornelius L, . The genera of fungi. New York: Hafner. 1973.