Citazione APA

Clements, F. E., & Shear, C. L. (1973). Genera of fungi. Hafner Publishers.

Stile di citazione Chicago

Clements, Frederic E., e Cornelius L. Shear. Genera of Fungi. New York: Hafner Publishers, 1973.

Citazione MLA

Clements, Frederic E., e Cornelius L. Shear. Genera of Fungi. Hafner Publishers, 1973.