APA (7th ed.) Citation

Wright, E., & Editor by Wright, E. (2015). A Dictionary of World History (3rd ed.). Oxford.

Chicago Style (17th ed.) Citation

Wright, Edmund, and Edmund Editor by Wright. A Dictionary of World History. 3rd ed. New York.: Oxford, 2015.

MLA (9th ed.) Citation

Wright, Edmund, and Edmund Editor by Wright. A Dictionary of World History. 3rd ed. Oxford, 2015.