Cita APA (7a ed.)

Bentley, J. H., & Ziegler, H. F. (2009). Traditions and encounters: A global perspective on the past ; vol. I from the beginning to1500 (4th ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Bentley, Jerry H., y Herbert F. Ziegler. Traditions and Encounters: A Global Perspective on the Past ; Vol. I from the Beginning To1500. 4th ed. Boston: McGraw-Hill, 2009.

Cita MLA (9a ed.)

Bentley, Jerry H., y Herbert F. Ziegler. Traditions and Encounters: A Global Perspective on the Past ; Vol. I from the Beginning To1500. 4th ed. McGraw-Hill, 2009.