APA (7th ed.) Citation

Matthew, D. (1992). The Norman kingdom of Sicily. Cambridge University Press. https://doi.org/10.1017/CBO9781139167741

Chicago Style (17th ed.) Citation

Matthew, Donald. The Norman Kingdom of Sicily. Cambridge: Cambridge University Press, 1992. https://doi.org/10.1017/CBO9781139167741.

MLA (9th ed.) Citation

Matthew, Donald. The Norman Kingdom of Sicily. Cambridge University Press, 1992. https://doi.org/10.1017/CBO9781139167741.