APA (7th ed.) Citation

(1924). Scheme of station separation of post office at Chicago, Ill. GPO.

Chicago Style (17th ed.) Citation

Scheme of Station Separation of Post Office at Chicago, Ill. [Washington]: GPO, 1924.

MLA (9th ed.) Citation

Scheme of Station Separation of Post Office at Chicago, Ill. GPO, 1924.

Warning: These citations may not always be 100% accurate.