Cita APA (7th ed.)

Craig, A. M. (1997). The heritage of world civilizations (4th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Craig, Albert M. The Heritage of World Civilizations. 4th ed. NJ: Prentice-Hall, 1997.

Cita MLA (9th ed.)

Craig, Albert M. The Heritage of World Civilizations. 4th ed. Prentice-Hall, 1997.