OVERSTREET, H. A. (1949). The Mature Mind. Norton.
Cita Chicago (17th ed.)OVERSTREET, Harry Allen. The Mature Mind. New York: Norton, 1949.
Cita MLA (9th ed.)OVERSTREET, Harry Allen. The Mature Mind. Norton, 1949.
Atenció: Aquestes cites poden no estar 100% correctes.