Cita APA (7a ed.)

Kagan, R., & Schlosberg, S. (1989). Families in perpetual crisis. Norton.

Cita Chicago Style (17a ed.)

Kagan, Richard, y Shirley Schlosberg. Families in Perpetual Crisis. New York [u.a.]: Norton, 1989.

Cita MLA (8a ed.)

Kagan, Richard, y Shirley Schlosberg. Families in Perpetual Crisis. Norton, 1989.