APA (7th ed.) Citation

United States. Postmaster General. (1924). Six weeks to be allowed for return from Hawaii of notices regarding mail held for postage; individually addressed copies of publications inclosed in packages should include name of post office. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postmaster General. Six Weeks to Be Allowed for Return from Hawaii of Notices Regarding Mail Held for Postage; Individually Addressed Copies of Publications Inclosed in Packages Should Include Name of Post Office. Washington: [publisher not identified], 1924.

MLA (9th ed.) Citation

United States. Postmaster General. Six Weeks to Be Allowed for Return from Hawaii of Notices Regarding Mail Held for Postage; Individually Addressed Copies of Publications Inclosed in Packages Should Include Name of Post Office. [publisher not identified], 1924.