Beck, L., & Speidel, H. (1955). Studien. Koehler.
Chicago Style (17th ed.) CitationBeck, Ludwig, and Hans Speidel. Studien. Stuttgart: Koehler, 1955.
MLA (9th ed.) CitationBeck, Ludwig, and Hans Speidel. Studien. Koehler, 1955.
Warning: These citations may not always be 100% accurate.