Piper, K., & Jaspers, K. (1953). Offener Horizont: Festschrift für Karl Jaspers. Piper.
Chicago Style (17th ed.) CitationPiper, Klaus, and Karl Jaspers. Offener Horizont: Festschrift Für Karl Jaspers. München: Piper, 1953.
MLA (8th ed.) CitationPiper, Klaus, and Karl Jaspers. Offener Horizont: Festschrift Für Karl Jaspers. Piper, 1953.
Warning: These citations may not always be 100% accurate.