Justice to all :
the story of the Pennsylvania State police,
Katherine Mayo, with an introd. by Theodore Roosevelt.

APA Citation

Mayo, K. (1917). Justice to all: the story of the Pennsylvania State police. New York and London: G. P. Putnam's Sons.

MLA Citation

Mayo, Katherine, 1868?-1940. Justice to All: the Story of the Pennsylvania State Police. New York and London: G. P. Putnam's Sons, 1917.

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