Citazione Stile APA (7a Edizione)

Virkler, H. A. (1991). Speaking your mind without stepping on toes: Guidelines for group leaders included. Victor.

Citazione stile Chigago Style (17a edizione)

Virkler, Henry A. Speaking Your Mind Without Stepping on Toes: Guidelines for Group Leaders Included. New York: Victor, 1991.

Citatione MLA (9a ed.)

Virkler, Henry A. Speaking Your Mind Without Stepping on Toes: Guidelines for Group Leaders Included. Victor, 1991.