Cita APA (7th ed.)

Straka, G. M. (1967). The medieval world and its transformations 800-1650. McGraw-Hill Book Co.

Cita Chicago (17th ed.)

Straka, Gerald M. The Medieval World and Its Transformations 800-1650. New York: McGraw-Hill Book Co, 1967.

Cita MLA (9th ed.)

Straka, Gerald M. The Medieval World and Its Transformations 800-1650. McGraw-Hill Book Co, 1967.