APA

Barrington E. J. W., . (1979). Hormones and evolution. New York: Academic Press.

Chicago

Barrington Ernest James William, . 1979. Hormones and evolution. New York: Academic Press.

Harvard

Barrington E. J. W., . (1979). Hormones and evolution. New York: Academic Press.

MLA

Barrington Ernest James William, . Hormones and evolution. New York: Academic Press. 1979.