Sporrong, J. (1983). Die Quelle (1. dr., 5. en 6. opl.). Thieme.
Chicago Style (17th ed.) CitationSporrong, Jack. Die Quelle. 1. dr., 5. en 6. opl. Zutphen: Thieme, 1983.
MLA (9th ed.) CitationSporrong, Jack. Die Quelle. 1. dr., 5. en 6. opl. Thieme, 1983.
Warning: These citations may not always be 100% accurate.