APA (7th ed.) Citation

American Petroleum Institute. (1980). Facts about oil. [The Institute].

Chicago Style (17th ed.) Citation

American Petroleum Institute. Facts About Oil. [Washington, D.C.]: [The Institute], 1980.

MLA (9th ed.) Citation

American Petroleum Institute. Facts About Oil. [The Institute], 1980.

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