Tohutoro APA (7th ed.)

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

Tohutoru Chicago (17th ed.)

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

Tohutoro MLA (8th ed.)

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