Wittenberg, R. M. (1961). The art of group discipline: A mental hygiene approach to leadership. Association Press.
Chicago Style (17th ed.) CitationWittenberg, Rudolph M. The Art of Group Discipline: A Mental Hygiene Approach to Leadership. New York, New York: Association Press, 1961.
MLA (9th ed.) CitationWittenberg, Rudolph M. The Art of Group Discipline: A Mental Hygiene Approach to Leadership. Association Press, 1961.
Warning: These citations may not always be 100% accurate.