Cita APA (7a ed.)
Gordon, T. (1975). P.E.T.: Parent Effectiveness Training. New American Library.
Cita estilo Chicago (17a ed.)
Gordon, Thomas. P.E.T.: Parent Effectiveness Training. Nueva York, EUA: New American Library, 1975.
Cita MLA (9a ed.)
Gordon, Thomas. P.E.T.: Parent Effectiveness Training. New American Library, 1975.
警告：這些引文格式不一定是100％准確.