Cita APA

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

Citación estilo Chicago

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

Cita MLA

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