Cita APA (7a ed.)

Christiansen, F. B., & Fenchel, T. M. (1977). Theories of populations in biological communities. Springer-Verlag.

Cita Chicago Style (17a ed.)

Christiansen, F. B., y T. M. Fenchel. Theories of Populations in Biological Communities. New York: Springer-Verlag, 1977.

Cita MLA (8a ed.)

Christiansen, F. B., y T. M. Fenchel. Theories of Populations in Biological Communities. Springer-Verlag, 1977.