APA (7th ed.) Citation

Collins, R. (2012). Caliphs and kings: Spain, 796-1031. John Wiley & Sons. https://doi.org/10.1002/9781118273968

Chicago Style (17th ed.) Citation

Collins, Roger. Caliphs and Kings: Spain, 796-1031. Chichester, UK ; Malden, MA: John Wiley & Sons, 2012. https://doi.org/10.1002/9781118273968.

MLA (8th ed.) Citation

Collins, Roger. Caliphs and Kings: Spain, 796-1031. John Wiley & Sons, 2012. https://doi.org/10.1002/9781118273968.

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