Modus operandi.
By the Wichita Police department. Made possible through the assistance of the Works Progress Administration.

APA Citation

Wichita (Kan.). Police Dept., United States. Work projects administrations. Kansas. (1939). Modus operandi. [Wichita.

MLA Citation

Wichita (Kan.). Police Dept, and United States. Work projects administrations. Kansas. Modus Operandi. [Wichita, 1939.

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