Cita APA (7a ed.)

Kitson, G. C., & Zyzanski, S. J. (1987). Grief in widowhood and divorce. [s.n.].

Cita Chicago Style (17a ed.)

Kitson, Gay C., y Stephen J. Zyzanski. Grief in Widowhood and Divorce. [S.l.]: [s.n.], 1987.

Cita MLA (9a ed.)

Kitson, Gay C., y Stephen J. Zyzanski. Grief in Widowhood and Divorce. [s.n.], 1987.