Cita APA (7th ed.)

Bulliet, R. W., Crossley,Pamela Kyle, Headrick, D. R., Hirsch, S. W., Johnson, L. L., & Northrup, D. (2014). The Earth and its peoples: A global history (Sixth Edition, Student Edition.). Cengage Learning.

Cita Chicago (17th ed.)

Bulliet, Richard W., Crossley,Pamela Kyle, Daniel R. Headrick, Steven W. Hirsch, Lyman L. Johnson, i David Northrup. The Earth and Its Peoples: A Global History. Sixth Edition, Student Edition. Stamford, Connecticut: Cengage Learning, 2014.

Cita MLA (9th ed.)

Bulliet, Richard W., et al. The Earth and Its Peoples: A Global History. Sixth Edition, Student Edition. Cengage Learning, 2014.