Biewald, H. (1974). Tonca. Kinderbuchverlag.
Chicago Style (17th ed.) CitationBiewald, Hartmut. Tonca. Berlin: Kinderbuchverlag, 1974.
MLA (8th ed.) CitationBiewald, Hartmut. Tonca. Kinderbuchverlag, 1974.
Warning: These citations may not always be 100% accurate.