APA (7th ed.) Citation

Kenyon, J. R. Castles, town defences, and artillery fortifications in Britain and Ireland: A bibliography.

Chicago Style (17th ed.) Citation

Kenyon, John R. Castles, Town Defences, and Artillery Fortifications in Britain and Ireland: A Bibliography. London.

MLA (9th ed.) Citation

Kenyon, John R. Castles, Town Defences, and Artillery Fortifications in Britain and Ireland: A Bibliography.

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