Cita APA (7th ed.)

Wilkins, P. (2003). Person-centred therapy in focus. SAGE.

Cita Chicago (17th ed.)

Wilkins, Paul. Person-centred Therapy in Focus. London ; Thousand Oaks, Calif.: SAGE, 2003.

Cita MLA (9th ed.)

Wilkins, Paul. Person-centred Therapy in Focus. SAGE, 2003.