Cita APA (7a ed.)

Kenkel, W. F. (1977). The family in perspective (4th ed.). Goodyear.

Cita Chicago Style (17a ed.)

Kenkel, William F. The Family in Perspective. 4th ed. Santa Mónica, California: Goodyear, 1977.

Cita MLA (9a ed.)

Kenkel, William F. The Family in Perspective. 4th ed. Goodyear, 1977.