Cita APA (7a ed.)

Hartmann, H., & Rapaport, D. (1986). Ego psychology and the problem of adaptation. International Universities Press.

Cita Chicago Style (17a ed.)

Hartmann, Heinz, y David Rapaport. Ego Psychology and the Problem of Adaptation. New York: International Universities Press, 1986.

Cita MLA (9a ed.)

Hartmann, Heinz, y David Rapaport. Ego Psychology and the Problem of Adaptation. International Universities Press, 1986.