Dirks, W., & Boll, F. (1983). Der singende Stotterer: Autobiographische Texte. Kösel.
Chicago Style (17th ed.) CitationDirks, Walter, and Fritz Boll. Der Singende Stotterer: Autobiographische Texte. München: Kösel, 1983.
MLA (8th ed.) CitationDirks, Walter, and Fritz Boll. Der Singende Stotterer: Autobiographische Texte. Kösel, 1983.
Warning: These citations may not always be 100% accurate.