Gaya APA

Hartmann, H. (1958). Ego psychology and the problem of adaptation. Transl. by David Rapaport. : Ich-Psychologie und Anpassungsproblem. 1937 . London: London Imago Publishing Co Ltd.

Gaya MLA

Hartmann, Heinz. "Ego psychology and the problem of adaptation. Transl. by David Rapaport. : Ich-Psychologie und Anpassungsproblem. 1937 ". London: London Imago Publishing Co Ltd, 1958. Buku.