APA (7th ed.) Citation

Brown, R. A. (1954). English medieval castles (1. Aufl.). Batsford.

Chicago Style (17th ed.) Citation

Brown, Reginald Allen. English Medieval Castles. 1. Aufl. London: Batsford, 1954.

MLA (8th ed.) Citation

Brown, Reginald Allen. English Medieval Castles. 1. Aufl. Batsford, 1954.

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