APA (7th ed.) Citation

United States. Postmaster General. (1928). C.O.D. tags not legibly completed. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. C.O.D. Tags Not Legibly Completed. Washington: U.S. GPO, 1928.

MLA (9th ed.) Citation

United States. Postmaster General. C.O.D. Tags Not Legibly Completed. U.S. GPO, 1928.

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