Twenty years on Broadway and the years it took to get there :
the true story of a trouper's life from the cradle to the "closed shop" /
by George M. Cohan.
APA Citation
Cohan, G. M. (George Michael). (1925). Twenty years on Broadway and the years it took to get there: the true story of a trouper's life from the cradle to the "closed shop". New York: Harper.
MLA Citation
Cohan, George M. (George Michael), 1878-1942. Twenty Years On Broadway And the Years it Took to Get There: the True Story of a Trouper's Life From the Cradle to the "closed Shop". New York: Harper, 1925.
Warning: These citations may not always be complete (especially for serials).