APA (7th ed.) Citation

(1956). Angola: Official standard names approved by the United States Board on Geographic Names. U.S. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Angola: Official Standard Names Approved by the United States Board on Geographic Names. Washington, D.C: U.S. Gov. Print. Off, 1956.

MLA (9th ed.) Citation

Angola: Official Standard Names Approved by the United States Board on Geographic Names. U.S. Gov. Print. Off, 1956.