APA (7th ed.) Citation

(1998). European petroleum directory. [PennWell Pub.].

Chicago Style (17th ed.) Citation

European Petroleum Directory. [Tulsa, Okla.]: [PennWell Pub.], 1998.

MLA (9th ed.) Citation

European Petroleum Directory. [PennWell Pub.], 1998.

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