APA (7th ed.) Citation

Showalter, D. E., & Elfer, J. (2018). Instrument of war: The german army 1914–18 (Unabridged.). Tantor Media.

Chicago Style (17th ed.) Citation

Showalter, Dennis E., and Julian Elfer. Instrument of War: The German Army 1914–18. Unabridged. Old Saybrook: Tantor Media, 2018.

MLA (8th ed.) Citation

Showalter, Dennis E., and Julian Elfer. Instrument of War: The German Army 1914–18. Unabridged. Tantor Media, 2018.

Warning: These citations may not always be 100% accurate.