Cita APA (7a ed.)
ebrary, Inc. (2006). The Hutchinson chronology of world history. Helicon.
Cita Chicago Style (17a ed.)
ebrary, Inc. The Hutchinson Chronology of World History. Abingdon, England: Helicon, 2006.
Cita MLA (9a ed.)
ebrary, Inc. The Hutchinson Chronology of World History. Helicon, 2006.
Precaución: Estas citas no son 100% exactas.