APA (7th ed.) Citation

Chrystal, P. (2015). Roman military disasters: Dark days and lost legions. Pen & Sword Military.

Chicago Style (17th ed.) Citation

Chrystal, Paul. Roman Military Disasters: Dark Days and Lost Legions. Barnsley, South Yorkshire: Pen & Sword Military, 2015.

MLA (9th ed.) Citation

Chrystal, Paul. Roman Military Disasters: Dark Days and Lost Legions. Pen & Sword Military, 2015.