APA (7th ed.) Citation

Saunders, A. D. (1989). Fortress Britain: Artillery fortification in the British Isles and Ireland. Beaufort.

Chicago Style (17th ed.) Citation

Saunders, A. D. Fortress Britain: Artillery Fortification in the British Isles and Ireland. Liphook, Hants: Beaufort, 1989.

MLA (9th ed.) Citation

Saunders, A. D. Fortress Britain: Artillery Fortification in the British Isles and Ireland. Beaufort, 1989.

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