Zilboorg, G. (1959). Freud and religion: A restatement of an old controversy / by Gregory Zilboorg. Newman.
Chicago-referens (17:e uppl.)Zilboorg, Gregory. Freud and Religion: A Restatement of an Old Controversy / by Gregory Zilboorg. Westminster: Newman, 1959.
MLA-referens (8:e uppl.)Zilboorg, Gregory. Freud and Religion: A Restatement of an Old Controversy / by Gregory Zilboorg. Newman, 1959.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.