APA (7th ed.) Citation

Chambers, edited by Bruce P. Lenman, & Katherine Boyd. (1993). Chambers dictionary of world history. Chambers Harrap.

Chicago Style (17th ed.) Citation

Chambers, edited by Bruce P. Lenman, and Katherine Boyd. Chambers Dictionary of World History. Edinburgh, New York: Chambers Harrap, 1993.

MLA (9th ed.) Citation

Chambers, et al. Chambers Dictionary of World History. Chambers Harrap, 1993.