APA (7th ed.) Citation

United States. Postmaster General. (1926). Relation of postal employees to elections. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Relation of Postal Employees to Elections. Washington: U.S. GPO, 1926.

MLA (9th ed.) Citation

United States. Postmaster General. Relation of Postal Employees to Elections. U.S. GPO, 1926.

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