APA (7th ed.) Citation

Churchill, W. S., Czernin, H., & Zeil, C. (1928). Die Weltkrisis 1916/18: 1. Die Weltkrisis 1916/18, 1.1918.

Chicago Style (17th ed.) Citation

Churchill, Winston Spencer, Hans Czernin, and C. Zeil. "Die Weltkrisis 1916/18: 1." Die Weltkrisis 1916/18 1928: 1.1918.

MLA (8th ed.) Citation

Churchill, Winston Spencer, et al. "Die Weltkrisis 1916/18: 1." Die Weltkrisis 1916/18, 1928, p. 1.1918.