Cita APA (7th ed.)

Karduilas, D. R. (2002). The essentials: World history. Wadsworth Group.

Cita Chicago (17th ed.)

Karduilas, Dianna R. The Essentials: World History. Australia: Wadsworth Group, 2002.

Cita MLA (9th ed.)

Karduilas, Dianna R. The Essentials: World History. Wadsworth Group, 2002.