APA (7th ed.) Citation

Brown, A. R. (1984). The Architecture of Castles a Visual Quide. B.T. Batsford.

Chicago Style (17th ed.) Citation

Brown, Allen R. The Architecture of Castles a Visual Quide. London: B.T. Batsford, 1984.

MLA (9th ed.) Citation

Brown, Allen R. The Architecture of Castles a Visual Quide. B.T. Batsford, 1984.