Cita APA (7a ed.)

Hafen, B. Q., & Frandsen, K. J. (1986). Youth suicide: : depression and loneliness (2nd ed.). Cordillera.

Cita Chicago Style (17a ed.)

Hafen, Brent Q., y Kathryn J. Frandsen. Youth Suicide: : Depression and Loneliness. 2nd ed. Evergreen: Cordillera, 1986.

Cita MLA (9a ed.)

Hafen, Brent Q., y Kathryn J. Frandsen. Youth Suicide: : Depression and Loneliness. 2nd ed. Cordillera, 1986.