Stein, C. (1981). Einstieg. Westermann.
Chicago Style (17th ed.) CitationStein, Christoph. Einstieg. Braunschweig: Westermann, 1981.
MLA (9th ed.) CitationStein, Christoph. Einstieg. Westermann, 1981.
Warning: These citations may not always be 100% accurate.