Cita APA (7a ed.)

Jacobs, H. H., & LeVasseur, M. L. (2007). History of our world. Pearson Prentice Hall.

Cita Chicago Style (17a ed.)

Jacobs, Heidi Hayes, y Michael L. LeVasseur. History of Our World. Boston [u.a.]: Pearson Prentice Hall, 2007.

Cita MLA (9a ed.)

Jacobs, Heidi Hayes, y Michael L. LeVasseur. History of Our World. Pearson Prentice Hall, 2007.