United States. Postmaster General. (1932). Notices on Form 3578 concerning undeliverable 2nd-class matter no longer should be inclosed in penalty envelopes addressed to publishers. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. Notices on Form 3578 Concerning Undeliverable 2nd-class Matter No Longer Should Be Inclosed in Penalty Envelopes Addressed to Publishers. Washington: U.S. GPO, 1932.
MLA (9th ed.) CitationUnited States. Postmaster General. Notices on Form 3578 Concerning Undeliverable 2nd-class Matter No Longer Should Be Inclosed in Penalty Envelopes Addressed to Publishers. U.S. GPO, 1932.
Warning: These citations may not always be 100% accurate.