United States. National Petroleum Technology Office. The class act. National Petroleum Technology Office.
Chicago Style (17th ed.) CitationUnited States. National Petroleum Technology Office. The Class Act. Tulsa, OK: National Petroleum Technology Office.
MLA (9th ed.) CitationUnited States. National Petroleum Technology Office. The Class Act. National Petroleum Technology Office.
Warning: These citations may not always be 100% accurate.