Strecker, E. A., & Appel, K. E. (1958). Discovering ourselves: A view of the human mind and how it works (3rd ed.). Macmillan.

Strecker, Edward Adam, and Kenneth E. Appel. Discovering Ourselves: A View of the Human Mind and How It Works. 3rd ed. New York: Macmillan, 1958.

Strecker, Edward Adam, and Kenneth E. Appel. Discovering Ourselves: A View of the Human Mind and How It Works. 3rd ed. Macmillan, 1958.