Cita APA (7a ed.)

Allen, T. F. H., & Hoekstra, T. W. (1992). Toward a unified ecology. Columbia University Press.

Cita Chicago Style (17a ed.)

Allen, T. F. H., y Thomas W. Hoekstra. Toward a Unified Ecology. New York: Columbia University Press, 1992.

Cita MLA (8a ed.)

Allen, T. F. H., y Thomas W. Hoekstra. Toward a Unified Ecology. Columbia University Press, 1992.