Cita APA (7th ed.)
Martín, D. G. (1972). Introduction to psychoterapy. Brooks Cole.
Cita Chicago (17th ed.)
Martín, David G. Introduction to Psychoterapy. Belmont, EUA: Brooks Cole, 1972.
Cita MLA (9th ed.)
Martín, David G. Introduction to Psychoterapy. Brooks Cole, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.