Cita APA (7a ed.)

Whittaker, R. H. (1970). Communities and Ecosystems. The Macmillan Company.

Cita Chicago Style (17a ed.)

Whittaker, Robert H. Communities and Ecosystems. New York: The Macmillan Company, 1970.

Cita MLA (8a ed.)

Whittaker, Robert H. Communities and Ecosystems. The Macmillan Company, 1970.