APA (7th ed.) Citation

Stebbins, G. L. (1971). Procesess of organic evolution (2d. ed.). s.e..

Chicago Style (17th ed.) Citation

Stebbins, George Ledyard. Procesess of Organic Evolution. 2d. ed. New Jersey: s.e., 1971.

MLA (9th ed.) Citation

Stebbins, George Ledyard. Procesess of Organic Evolution. 2d. ed. s.e., 1971.