APA (7th ed.) Citation

Hitler, A., Bormann, M., & Genoud, F. (1961). The testament of Adolf Hitler: The Hitler-Bormann documents, February-April 1945. Cassell.

Chicago Style (17th ed.) Citation

Hitler, Adolf, Martin Bormann, and François Genoud. The Testament of Adolf Hitler: The Hitler-Bormann Documents, February-April 1945. London: Cassell, 1961.

MLA (9th ed.) Citation

Hitler, Adolf, et al. The Testament of Adolf Hitler: The Hitler-Bormann Documents, February-April 1945. Cassell, 1961.