The World's great events :
an indexed history of the world from earliest times to the present day /
by great historians ; edited by Esther Singleton.
APA Citation
Singleton, E., Singleton, E. (1916). The World's great events: an indexed history of the world from earliest times to the present day. New standard ed. New York: P. F. Collier.
MLA Citation
Singleton, Esther, and Esther Singleton. The World's Great Events: an Indexed History of the World From Earliest Times to the Present Day. New standard ed. New York: P. F. Collier, 1916.
Warning: These citations may not always be complete (especially for serials).