APA (7th ed.) Citation

Brown, R. A. (1976). English castles / (by) R. Allen Brown (3rd revised ed.). Batsford.

Chicago Style (17th ed.) Citation

Brown, R. Allen. English Castles / (by) R. Allen Brown. 3rd revised ed. London: Batsford, 1976.

MLA (9th ed.) Citation

Brown, R. Allen. English Castles / (by) R. Allen Brown. 3rd revised ed. Batsford, 1976.

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