Cita APA (7th ed.)
Penner, J., & Penner, C. (1990). Counseling for sexual disorders. Word Pub..
Cita Chicago (17th ed.)
Penner, Joyce, i Clifford Penner. Counseling for Sexual Disorders. Dallas: Word Pub., 1990.
Cita MLA (9th ed.)
Penner, Joyce, i Clifford Penner. Counseling for Sexual Disorders. Word Pub., 1990.
Atenció: Aquestes cites poden no estar 100% correctes.