Cita APA (7a ed.)

Hartmann, H. (1964). Essays on ego psychology: Selected problems in psychoanalytic theory. Intern. Univ. Press.

Cita Chicago Style (17a ed.)

Hartmann, Heinz. Essays on Ego Psychology: Selected Problems in Psychoanalytic Theory. New York: Intern. Univ. Press, 1964.

Cita MLA (8a ed.)

Hartmann, Heinz. Essays on Ego Psychology: Selected Problems in Psychoanalytic Theory. Intern. Univ. Press, 1964.