APA (7th ed.) Citation

United States. Postmaster General. (1931). First flight to Maturin, Venezuela. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. First Flight to Maturin, Venezuela. Washington: U.S. GPO, 1931.

MLA (9th ed.) Citation

United States. Postmaster General. First Flight to Maturin, Venezuela. U.S. GPO, 1931.

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