APA (7th ed.) Citation

Langer, W. L. (1975). The new illustrated encyclopedia of world history. H. N. Abrams.

Chicago Style (17th ed.) Citation

Langer, William L. The New Illustrated Encyclopedia of World History. New York: H. N. Abrams, 1975.

MLA (9th ed.) Citation

Langer, William L. The New Illustrated Encyclopedia of World History. H. N. Abrams, 1975.