United States. Postmaster General. (1927). Publishers to be promptly notified on Form 3578 when copies of newspapers and other publications are undeliverable as addressed. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Publishers to Be Promptly Notified on Form 3578 When Copies of Newspapers and Other Publications Are Undeliverable as Addressed. Washington: U.S. GPO, 1927.
MLA (9th ed.) CitationUnited States. Postmaster General. Publishers to Be Promptly Notified on Form 3578 When Copies of Newspapers and Other Publications Are Undeliverable as Addressed. U.S. GPO, 1927.
Warning: These citations may not always be 100% accurate.