Cita APA (7a ed.)

Geldard, K., & Geldard, D. (1999). Counselling adolescents: The pro-active approach. SAGE Publications.

Cita Chicago Style (17a ed.)

Geldard, Kathryn, y David Geldard. Counselling Adolescents: The Pro-active Approach. London [u.a.]: SAGE Publications, 1999.

Cita MLA (9a ed.)

Geldard, Kathryn, y David Geldard. Counselling Adolescents: The Pro-active Approach. SAGE Publications, 1999.