APA (7th ed.) Citation

Bartlett, R. (1982). Gerald of Wales 1146 - 1223. Clarendon Press.

Chicago Style (17th ed.) Citation

Bartlett, Robert. Gerald of Wales 1146 - 1223. Oxford: Clarendon Press, 1982.

MLA (9th ed.) Citation

Bartlett, Robert. Gerald of Wales 1146 - 1223. Clarendon Press, 1982.

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