A wartime history of the Post Office Department, World War II, 1939-1945.
APA Citation
United States. Post Office Department. (1951). A wartime history of the Post Office Department, World War II, 1939-1945. [Washington.
MLA Citation
United States. Post Office Department. A Wartime History of the Post Office Department, World War II, 1939-1945. [Washington, 1951.
Warning: These citations may not always be complete (especially for serials).