Cita APA (7th ed.)
Egan, G. (1976). Interpersonal living. Brooks/Cole.
Cita Chicago (17th ed.)
Egan, Gerald. Interpersonal Living. Califonia: Brooks/Cole, 1976.
Cita MLA (9th ed.)
Egan, Gerald. Interpersonal Living. Brooks/Cole, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.