Cita APA (7th ed.)

ebrary, Inc. (2006). The Hutchinson chronology of world history. Helicon.

Cita Chicago (17th ed.)

ebrary, Inc. The Hutchinson Chronology of World History. Abingdon, England: Helicon, 2006.

Cita MLA (9th ed.)

ebrary, Inc. The Hutchinson Chronology of World History. Helicon, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.