United States. Postmaster General. (1909). Scheme of city distribution for use in post office at Denver, Colo.; corrected to Oct. 1909. GPO.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Scheme of City Distribution for Use in Post Office at Denver, Colo.; Corrected to Oct. 1909. [Washington]: GPO, 1909.
MLA (9th ed.) CitationUnited States. Postmaster General. Scheme of City Distribution for Use in Post Office at Denver, Colo.; Corrected to Oct. 1909. GPO, 1909.
Warning: These citations may not always be 100% accurate.