APA (7th ed.) Citation

United States. Postmaster General. (1929). Resubmitted requisitions for special-request envelopes not to be marked "duplicate". U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Resubmitted Requisitions for Special-request Envelopes Not to Be Marked "Duplicate". Washington: U.S. GPO, 1929.

MLA (9th ed.) Citation

United States. Postmaster General. Resubmitted Requisitions for Special-request Envelopes Not to Be Marked "Duplicate". U.S. GPO, 1929.

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