APA (7th ed.) Citation

Haas, I. (1979). Citadels, ramparts & stockades: America's historic forts. Everest House.

Chicago Style (17th ed.) Citation

Haas, Irvin. Citadels, Ramparts & Stockades: America's Historic Forts. New York: Everest House, 1979.

MLA (9th ed.) Citation

Haas, Irvin. Citadels, Ramparts & Stockades: America's Historic Forts. Everest House, 1979.