Cita APA (7th ed.)

(2003). The heritage of world civilizations (6th ed.). Prentice Hall.

Cita Chicago (17th ed.)

The Heritage of World Civilizations. 6th ed. Upper Saddle River, New Jersey: Prentice Hall, 2003.

Cita MLA (9th ed.)

The Heritage of World Civilizations. 6th ed. Prentice Hall, 2003.