APA (7th ed.) Citation

Heywood, W. (1921). A history of Pisa, eleventh and twelfth centuries. Cambridge University Press.

Chicago Style (17th ed.) Citation

Heywood, William. A History of Pisa, Eleventh and Twelfth Centuries. Cambridge: Cambridge University Press, 1921.

MLA (9th ed.) Citation

Heywood, William. A History of Pisa, Eleventh and Twelfth Centuries. Cambridge University Press, 1921.