APA (7th ed.) Citation

United States. Railway Mail Service. (1909). General scheme of distribution for city of San Francisco, Cal., Oct. 1909. GPO.

Chicago Style (17th ed.) Citation

United States. Railway Mail Service. General Scheme of Distribution for City of San Francisco, Cal., Oct. 1909. [Washington]: GPO, 1909.

MLA (9th ed.) Citation

United States. Railway Mail Service. General Scheme of Distribution for City of San Francisco, Cal., Oct. 1909. GPO, 1909.

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