APA (7th ed.) Citation

Ehrlich, P. R., & Holm, R. W. (1963). The process of evolution. McGraw-Hill.

Chicago Style (17th ed.) Citation

Ehrlich, Paul R., and Richard W. Holm. The Process of Evolution. New York: McGraw-Hill, 1963.

MLA (9th ed.) Citation

Ehrlich, Paul R., and Richard W. Holm. The Process of Evolution. McGraw-Hill, 1963.