Cita APA (7th ed.)
Peale, N. V. (1984). The true joy of positive living: An autobiography. Morrow.
Cita Chicago (17th ed.)
Peale, Norman Vincent. The True Joy of Positive Living: An Autobiography. New York: Morrow, 1984.
Cita MLA (9th ed.)
Peale, Norman Vincent. The True Joy of Positive Living: An Autobiography. Morrow, 1984.
Atenció: Aquestes cites poden no estar 100% correctes.