Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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