APA (7th ed.) Citation

United States. Postmaster General. (1931). Instructions to postmasters for establishing civil service retirement accounts for employees of Post Office Department. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Instructions to Postmasters for Establishing Civil Service Retirement Accounts for Employees of Post Office Department. Washington: U.S. GPO, 1931.

MLA (9th ed.) Citation

United States. Postmaster General. Instructions to Postmasters for Establishing Civil Service Retirement Accounts for Employees of Post Office Department. U.S. GPO, 1931.