APA (7th ed.) Citation

Waley, D. P. (1991). Siena and the Sienese in the thirteenth century. Cambridge University Press. https://doi.org/10.1017/CBO9780511583865

Chicago Style (17th ed.) Citation

Waley, Daniel Philip. Siena and the Sienese in the Thirteenth Century. Cambridge: Cambridge University Press, 1991. https://doi.org/10.1017/CBO9780511583865.

MLA (9th ed.) Citation

Waley, Daniel Philip. Siena and the Sienese in the Thirteenth Century. Cambridge University Press, 1991. https://doi.org/10.1017/CBO9780511583865.