Cita APA (7th ed.)

Hansen, V., & Curtis, K. R. (2014). Voyages in world history (Second edition, International edition.). Wadsworth Cengage Learning.

Cita Chicago (17th ed.)

Hansen, Valerie, i Kenneth Robert Curtis. Voyages in World History. Second edition, International edition. Australia: Wadsworth Cengage Learning, 2014.

Cita MLA (9th ed.)

Hansen, Valerie, i Kenneth Robert Curtis. Voyages in World History. Second edition, International edition. Wadsworth Cengage Learning, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.