Ego, hunger and aggression : the beginning of gestalt therapy

MLA

Perls, Frederick S. Ego, Hunger and Aggression : the Beginning of Gestalt Therapy. New York: Vintage Books, 1969.

APA

Perls, F. S. (1969). Ego, hunger and aggression : the beginning of gestalt therapy. New York: Vintage Books.

Chicago

Perls, Frederick S., Ego, Hunger and Aggression: The Beginning of Gestalt Therapy. New York: Vintage Books, 1969.