APA (7th ed.) Citation

United States. Postmaster General. (1923). Undeliverable 2nd-class matter, failure to send notices or other mistreatment. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postmaster General. Undeliverable 2nd-class Matter, Failure to Send Notices or Other Mistreatment. Washington: [publisher not identified], 1923.

MLA (9th ed.) Citation

United States. Postmaster General. Undeliverable 2nd-class Matter, Failure to Send Notices or Other Mistreatment. [publisher not identified], 1923.

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