Citazione Stile APA (7a Edizione)

Singleton, E. d. 1. (1904). The world's great events: A history of the world from ancient to modern times, B. C. 4004 to A. D. 1903. P. F. Collier & son.

Citazione stile Chigago Style (17a edizione)

Singleton, Esther d. 1930. The World's Great Events: A History of the World from Ancient to Modern Times, B. C. 4004 to A. D. 1903. New York: P. F. Collier & son, 1904.

Citatione MLA (9a ed.)

Singleton, Esther d. 1930. The World's Great Events: A History of the World from Ancient to Modern Times, B. C. 4004 to A. D. 1903. P. F. Collier & son, 1904.