O'Keeffe, C. (1981). Certification and safety of offshore installations: May 11 and 12, 1981, London. Scientific and Technical Studies.
Chicago Style (17th ed.) CitationO'Keeffe, Catharine. Certification and Safety of Offshore Installations: May 11 and 12, 1981, London. [London?]: Scientific and Technical Studies, 1981.
MLA (9th ed.) CitationO'Keeffe, Catharine. Certification and Safety of Offshore Installations: May 11 and 12, 1981, London. Scientific and Technical Studies, 1981.
Warning: These citations may not always be 100% accurate.