Swanton, J. (2020). Ancient battle formations. Pen & Sword Military.
芝加哥风格引文Swanton, Justin. Ancient Battle Formations. [Place of publication not identified]: Pen & Sword Military, 2020.
MLA引文Swanton, Justin. Ancient Battle Formations. Pen & Sword Military, 2020.
警告：这些引文格式不一定是100％准确.