United States. Post Office Department. (1914). Scheme of station separation of post office at Chicago, Ill. GPO.
Chicago Style (17th ed.) CitationUnited States. Post Office Department. Scheme of Station Separation of Post Office at Chicago, Ill. [Washington]: GPO, 1914.
MLA (9th ed.) CitationUnited States. Post Office Department. Scheme of Station Separation of Post Office at Chicago, Ill. GPO, 1914.
Warning: These citations may not always be 100% accurate.