APA (7th ed.) Citation

Pirog, R. L. (2018). U.S. oil imports, exports, and energy security ([Library of Congress public edition].). Congressional Research Service.

Chicago Style (17th ed.) Citation

Pirog, Robert L. U.S. Oil Imports, Exports, and Energy Security. [Library of Congress public edition]. [Washington, D.C.]: Congressional Research Service, 2018.

MLA (9th ed.) Citation

Pirog, Robert L. U.S. Oil Imports, Exports, and Energy Security. [Library of Congress public edition]. Congressional Research Service, 2018.