APA (7th ed.) Citation

Hilyard, J. (2010). International petroleum encyclopedia 2010. Pennwell.

Chicago Style (17th ed.) Citation

Hilyard, Joseph. International Petroleum Encyclopedia 2010. Tulsa, Oklahoma: Pennwell, 2010.

MLA (9th ed.) Citation

Hilyard, Joseph. International Petroleum Encyclopedia 2010. Pennwell, 2010.

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