APA (7th ed.) Citation

Droste, C. L. (1915). The Lusitania case. C.L. Droste.

Chicago Style (17th ed.) Citation

Droste, Christian Ludwig. The Lusitania Case. [Place of publication not identified]: C.L. Droste, 1915.

MLA (9th ed.) Citation

Droste, Christian Ludwig. The Lusitania Case. C.L. Droste, 1915.