(1968). Herausforderung und Antwort. Seewald.
Chicago Style (17th ed.) CitationHerausforderung Und Antwort. Seewald, 1968.
MLA (8th ed.) CitationHerausforderung Und Antwort. Seewald, 1968.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation