APA (7th ed.) Citation

Strohn. (2013). World War I companion. Osprey Publishing.

Chicago Style (17th ed.) Citation

Strohn. World War I Companion. Oxford, UK: Osprey Publishing, 2013.

MLA (8th ed.) Citation

Strohn. World War I Companion. Osprey Publishing, 2013.

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