APA
(1991). Warfare: a chronological history. [Place of publication not identified]: [Publisher not identified].
Chicago
1991. Warfare: a chronological history. [Place of publication not identified]: [Publisher not identified].
Harvard
(1991). Warfare: a chronological history. [Place of publication not identified]: [Publisher not identified].
MLA
Warfare: a chronological history. [Place of publication not identified]: [Publisher not identified]. 1991.