Cita APA (7th ed.)
Pieper, J., Eliot, T., & Dru, A. Leisure: The Basis of Culture. New American Library.
Cita Chicago (17th ed.)
Pieper, Josef, T.S Eliot, i Alexander Dru. Leisure: The Basis of Culture. Nueva York, EUA: New American Library.
Cita MLA (9th ed.)
Pieper, Josef, et al. Leisure: The Basis of Culture. New American Library.
Atenció: Aquestes cites poden no estar 100% correctes.