APA (7th ed.) Citation

Time-life books. (1988). The military frontier. Time-Life Books.

Chicago Style (17th ed.) Citation

Time-life books. The Military Frontier. Amsterdam: Time-Life Books, 1988.

MLA (8th ed.) Citation

Time-life books. The Military Frontier. Time-Life Books, 1988.

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