Cita APA (7th ed.)

Bulliet, R. W., Crossley, P. K., Headrick, D. R., Hirsch, S. W., Johnson, L. L., & Northrup, D. (2015). The earth and its peoples: A global history (Sixth edition, advantage edition, student edition.). Cengage Learning.

Cita Chicago (17th ed.)

Bulliet, Richard W., Pamela Kyle Crossley, Daniel R. Headrick, Steven W. Hirsch, Lyman L. Johnson, i David Northrup. The Earth and Its Peoples: A Global History. Sixth edition, advantage edition, student edition. Stamford, CT: Cengage Learning, 2015.

Cita MLA (9th ed.)

Bulliet, Richard W., et al. The Earth and Its Peoples: A Global History. Sixth edition, advantage edition, student edition. Cengage Learning, 2015.