Lang, K., & Lang, G. (1961). Collective dynamics. Crowell.
Chicago Style (17th ed.) CitationLang, Kurt, and Gladys Lang. Collective Dynamics. New York: Crowell, 1961.
MLA (9th ed.) CitationLang, Kurt, and Gladys Lang. Collective Dynamics. Crowell, 1961.
Warning: These citations may not always be 100% accurate.