APA (7th ed.) Citation

Holmes. (1988). The world atlas of warfare: Military innovations that changed the course of history. Penguin Group.

Chicago Style (17th ed.) Citation

Holmes. The World Atlas of Warfare: Military Innovations That Changed the Course of History. New York: Penguin Group, 1988.

MLA (8th ed.) Citation

Holmes. The World Atlas of Warfare: Military Innovations That Changed the Course of History. Penguin Group, 1988.

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