World Petroleum Congress London. Proceedings of the Eleventh World Petroleum Congress. Wiley.
Chicago Style (17th ed.) CitationWorld Petroleum Congress London. Proceedings of the Eleventh World Petroleum Congress. Chichester u.a: Wiley.
MLA (9th ed.) CitationWorld Petroleum Congress London. Proceedings of the Eleventh World Petroleum Congress. Wiley.
Warning: These citations may not always be 100% accurate.