Cita APA (7th ed.)
Virkler, H. A. (1991). Speaking your mind without stepping on toes: Guidelines for group leaders included. Victor.
Cita Chicago (17th ed.)
Virkler, Henry A. Speaking Your Mind Without Stepping on Toes: Guidelines for Group Leaders Included. New York: Victor, 1991.
Cita MLA (9th ed.)
Virkler, Henry A. Speaking Your Mind Without Stepping on Toes: Guidelines for Group Leaders Included. Victor, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.