APA (7th ed.) Citation

(1928). Amendments to Rules for handling mail and files. GPO.

Chicago Style (17th ed.) Citation

Amendments to Rules for Handling Mail and Files. [Washington]: GPO, 1928.

MLA (9th ed.) Citation

Amendments to Rules for Handling Mail and Files. GPO, 1928.

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