Cita APA (7a ed.)

Van den Berghe, P. L. (1979). Human family systems: An evolutionary view. Elsevier.

Cita Chicago Style (17a ed.)

Van den Berghe, Pierre L. Human Family Systems: An Evolutionary View. New York [u.a.]: Elsevier, 1979.

Cita MLA (9a ed.)

Van den Berghe, Pierre L. Human Family Systems: An Evolutionary View. Elsevier, 1979.