Cita APA (7a ed.)

Birtchnell, J., Bratfos, O., & Wilson, I. C. (1973). Effects of early parent death: Papers. MSS Information Corp.

Cita Chicago Style (17a ed.)

Birtchnell, John, Ole Bratfos, y Ian C. Wilson. Effects of Early Parent Death: Papers. New York: MSS Information Corp, 1973.

Cita MLA (9a ed.)

Birtchnell, John, et al. Effects of Early Parent Death: Papers. MSS Information Corp, 1973.