Cita APA (7th ed.)
Birtchnell, J., Wilson, I. C., & Braftos, O. (1973). Effects of early parent death. MSS Information.
Cita Chicago (17th ed.)
Birtchnell, J., Ian C. Wilson, i Ole Braftos. Effects of Early Parent Death. Nueva York, EUA: MSS Information, 1973.
Cita MLA (9th ed.)
Birtchnell, J., et al. Effects of Early Parent Death. MSS Information, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.