Mckay, J. P. (2007). A history of world societies (7th ed.). Houghton Mifflin.
Cita Chicago Style (17a ed.)Mckay, John P. A History of World Societies. 7th ed. Boston [etc.]: Houghton Mifflin, 2007.
Cita MLA (9a ed.)Mckay, John P. A History of World Societies. 7th ed. Houghton Mifflin, 2007.
Precaución: Estas citas no son 100% exactas.