Cita APA (7th ed.)
George, L. R., & Cristian, T. (1990). Counselling: Theory and practice (3rd ed.). Prentice hall.
Cita Chicago (17th ed.)
George, L Rickey, i Therese Cristian. Counselling: Theory and Practice. 3rd ed. New Jersey: Prentice hall, 1990.
Cita MLA (9th ed.)
George, L Rickey, i Therese Cristian. Counselling: Theory and Practice. 3rd ed. Prentice hall, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.