Cita APA

Bulliet, R. W., Hirsch, S. W., Johnson, L. L., Crossley, P. K., Headrick, D. R., & Northrup, D. (2019). The earth and its peoples: A global history (Seventh edition.). Cengage Learning.

Citación estilo Chicago

Bulliet, Richard W., Steven W. Hirsch, Lyman L. Johnson, Pamela Kyle Crossley, Daniel R. Headrick, and David Northrup. The Earth and Its Peoples: A Global History. Seventh edition. Boston, MA: Cengage Learning, 2019.

Cita MLA

Bulliet, Richard W., et al. The Earth and Its Peoples: A Global History. Seventh edition. Cengage Learning, 2019.