APA (7th ed.) Citation

Riva, J. P. (1990). Petroleum status of the western Persian Gulf. Congressional Research Service, Library of Congress.

Chicago Style (17th ed.) Citation

Riva, Joseph P. Petroleum Status of the Western Persian Gulf. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1990.

MLA (9th ed.) Citation

Riva, Joseph P. Petroleum Status of the Western Persian Gulf. Congressional Research Service, Library of Congress, 1990.