APA (7th ed.) Citation

Wallechinsky, D. (1995). The Twentieth century: The definitive compendium of astonishing events, amazing people, and strange but true facts. Aurum Press.

Chicago Style (17th ed.) Citation

Wallechinsky, David. The Twentieth Century: The Definitive Compendium of Astonishing Events, Amazing People, and Strange but True Facts. London: Aurum Press, 1995.

MLA (9th ed.) Citation

Wallechinsky, David. The Twentieth Century: The Definitive Compendium of Astonishing Events, Amazing People, and Strange but True Facts. Aurum Press, 1995.