Singer, M. I., Singer, L. T., & Anglin, T. M. (1993). Handbook for screening adolescents at psychosocial risk. Lexington Books [u.a.].
Cita Chicago Style (17a ed.)Singer, Mark Irwin, Lynn T. Singer, y Trina M. Anglin. Handbook for Screening Adolescents at Psychosocial Risk. New York [u.a.]: Lexington Books [u.a.], 1993.
Cita MLA (9a ed.)Singer, Mark Irwin, et al. Handbook for Screening Adolescents at Psychosocial Risk. Lexington Books [u.a.], 1993.
Precaución: Estas citas no son 100% exactas.