APA (7th ed.) Citation

Abulafia, D. (1977). The two Italies: Economic relations between the Norman kingdom of Sicily and the northern communes. Cambridge University Press.

Chicago Style (17th ed.) Citation

Abulafia, David. The Two Italies: Economic Relations Between the Norman Kingdom of Sicily and the Northern Communes. Cambridge ; New York: Cambridge University Press, 1977.

MLA (9th ed.) Citation

Abulafia, David. The Two Italies: Economic Relations Between the Norman Kingdom of Sicily and the Northern Communes. Cambridge University Press, 1977.