Cita APA

Bentley, J. H., & Ziegler, H. F. (2000). Traditions & encounters: A global perspective on the past. Boston: McGraw Hill.

Citación estilo Chicago

Bentley, Jerry H., y Herbert F. Ziegler. Traditions & Encounters: A Global Perspective On the Past. Boston: McGraw Hill, 2000.

Cita MLA

Bentley, Jerry H., y Herbert F. Ziegler. Traditions & Encounters: A Global Perspective On the Past. Boston: McGraw Hill, 2000.