The roots and causes of the wars (1914-1918)
by John S. Ewart.

APA Citation

Ewart, J. S. (John Skirving). (1925). The roots and causes of the wars (1914-1918). New York: George H. Doran company.

MLA Citation

Ewart, John S. (John Skirving), 1849-1933. The Roots And Causes of the Wars (1914-1918). New York: George H. Doran company, 1925.

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