Cita APA (7a ed.)

Kraus, R., Stricker, G., & Speyer, C. (2010). Online counselling: A handbook for mental health professionals (2nd ed.). Academic.

Cita Chicago Style (17a ed.)

Kraus, Ron, George Stricker, y Cedric Speyer. Online Counselling: A Handbook for Mental Health Professionals. 2nd ed. London: Academic, 2010.

Cita MLA (8a ed.)

Kraus, Ron, et al. Online Counselling: A Handbook for Mental Health Professionals. 2nd ed. Academic, 2010.