Cita APA (7th ed.)

Harper, R. A. (1959). Psychoanalysis and psychotherapy: 36 systems. Prentice-Hall.

Cita Chicago (17th ed.)

Harper, Robert Allan. Psychoanalysis and Psychotherapy: 36 Systems. Englewood Cliffs, N.J: Prentice-Hall, 1959.

Cita MLA (9th ed.)

Harper, Robert Allan. Psychoanalysis and Psychotherapy: 36 Systems. Prentice-Hall, 1959.