United States. Post Office Department. (1929). Instructions relative to preparation of quarterly summaries, clerk hire payments, Form 1500, and city delivery payments, Form 1501. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Post Office Department. Instructions Relative to Preparation of Quarterly Summaries, Clerk Hire Payments, Form 1500, and City Delivery Payments, Form 1501. Washington: U.S. GPO, 1929.
MLA (9th ed.) CitationUnited States. Post Office Department. Instructions Relative to Preparation of Quarterly Summaries, Clerk Hire Payments, Form 1500, and City Delivery Payments, Form 1501. U.S. GPO, 1929.
Warning: These citations may not always be 100% accurate.