APA (7th ed.) Citation

Sedgwick, H. D. (1933). Italy in the thirteenth century. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Sedgwick, Henry Dwight. Italy in the Thirteenth Century. Boston, New York: Houghton Mifflin company, 1933.

MLA (9th ed.) Citation

Sedgwick, Henry Dwight. Italy in the Thirteenth Century. Houghton Mifflin company, 1933.