APA (7th ed.) Citation

Stebbins, G. L. (1971). Processes of organic evolution (2d ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Stebbins, G. Ledyard. Processes of Organic Evolution. 2d ed. Englewood Cliffs, N.J: Prentice-Hall, 1971.

MLA (9th ed.) Citation

Stebbins, G. Ledyard. Processes of Organic Evolution. 2d ed. Prentice-Hall, 1971.