The world's great events ;
an indexed history of the world from earltiest times to the present day /
by great historians ; edited by Edith Singleton.

APA Citation

Singleton, E. (1920). The world's great events: an indexed history of the world from earltiest times to the present day. New standard ed. New York: P.F. Collier.

MLA Citation

Singleton, Esther, 1865-1930. The World's Great Events: an Indexed History of the World From Earltiest Times to the Present Day. New standard ed. New York: P.F. Collier, 1920.

Warning: These citations may not always be complete (especially for serials).