APA (7th ed.) Citation

Boase, T. S. R. (1967). Castles and churches of the Crusading Kingdom. Oxford Univ. Press.

Chicago Style (17th ed.) Citation

Boase, T. S. R. Castles and Churches of the Crusading Kingdom. London [u.a.]: Oxford Univ. Press, 1967.

MLA (8th ed.) Citation

Boase, T. S. R. Castles and Churches of the Crusading Kingdom. Oxford Univ. Press, 1967.