Wolfe, B. D., & Stevens, L. C. (1959). Sechs Schlüssel zum Sowjet-System.
Chicago Style (17th ed.) CitationWolfe, Bertram D., and Leslie C. Stevens. Sechs Schlüssel Zum Sowjet-System. 1959.
MLA (8th ed.) CitationWolfe, Bertram D., and Leslie C. Stevens. Sechs Schlüssel Zum Sowjet-System. 1959.
Warning: These citations may not always be 100% accurate.