Bonhoeffer, D., Staats, R., Hase, H. C., Roggelin, H., & Wünsche, M. (1991). Barcelona, Berlin, Amerika: 1928-1931. Kaiser.
Chicago Style (17th ed.) CitationBonhoeffer, Dietrich, Reinhart Staats, Hans Christoph Hase, Holger Roggelin, and Matthias Wünsche. Barcelona, Berlin, Amerika: 1928-1931. München: Kaiser, 1991.
MLA (9th ed.) CitationBonhoeffer, Dietrich, et al. Barcelona, Berlin, Amerika: 1928-1931. Kaiser, 1991.
Warning: These citations may not always be 100% accurate.