Cita APA (7th ed.)
Wallis, J. (1981). The call to conversion. Harper & Row.
Cita Chicago (17th ed.)
Wallis, Jim. The Call to Conversion. New York: Harper & Row, 1981.
Cita MLA (9th ed.)
Wallis, Jim. The Call to Conversion. Harper & Row, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.