APA (7th ed.) Citation

United States. Postmaster General. (1932). Cost ascertainment: Instruction letter T; large terminal R.P.O. time reports and tests. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Cost Ascertainment: Instruction Letter T; Large Terminal R.P.O. Time Reports and Tests. Washington: U.S. GPO, 1932.

MLA (9th ed.) Citation

United States. Postmaster General. Cost Ascertainment: Instruction Letter T; Large Terminal R.P.O. Time Reports and Tests. U.S. GPO, 1932.

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