APA (7th ed.) Citation

Brown, R. A. (1984). The architecture of castles: A visual guide. Batsford.

Chicago Style (17th ed.) Citation

Brown, Reginald Allen. The Architecture of Castles: A Visual Guide. London: Batsford, 1984.

MLA (9th ed.) Citation

Brown, Reginald Allen. The Architecture of Castles: A Visual Guide. Batsford, 1984.

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