APA (7th ed.) Citation

Moltke, H. J., Ruhm von Oppen, B., & Moltke, F. v. (1988). Briefe an Freya: 1939-1945. Beck.

Chicago Style (17th ed.) Citation

Moltke, Helmuth James, Beate Ruhm von Oppen, and Freya von Moltke. Briefe an Freya: 1939-1945. München: Beck, 1988.

MLA (8th ed.) Citation

Moltke, Helmuth James, et al. Briefe an Freya: 1939-1945. Beck, 1988.