APA (7th ed.) Citation

Simpson, C., & Stiehl, H. (1973). Die Lusitania. Fischer.

Chicago Style (17th ed.) Citation

Simpson, Colin, and Hermann Stiehl. Die Lusitania. Frankfurt a.M: Fischer, 1973.

MLA (8th ed.) Citation

Simpson, Colin, and Hermann Stiehl. Die Lusitania. Fischer, 1973.