APA (7th ed.) Citation

United States. Post Office Department. (1930). Firm and street separation scheme, by main office and station districts, Kansas City, Mo.; for use by railway mail clerks and publishers. GPO.

Chicago Style (17th ed.) Citation

United States. Post Office Department. Firm and Street Separation Scheme, by Main Office and Station Districts, Kansas City, Mo.; for Use by Railway Mail Clerks and Publishers. [Washington]: GPO, 1930.

MLA (9th ed.) Citation

United States. Post Office Department. Firm and Street Separation Scheme, by Main Office and Station Districts, Kansas City, Mo.; for Use by Railway Mail Clerks and Publishers. GPO, 1930.

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