Synthetic Pipeline Gas Symposium Chicago, Ill., American Gas Association, & United States. Office of Coal and Research. (1973). Proceedings of fourth Synthetic Pipeline Gas Symposium, Hyatt Regency O'Hare, O'Hare Airport, Chicago, Illinois, October 30-31, 1972. AGA.
Chicago Style (17th ed.) CitationSynthetic Pipeline Gas Symposium Chicago, Ill., American Gas Association, and United States. Office of Coal and Research. Proceedings of Fourth Synthetic Pipeline Gas Symposium, Hyatt Regency O'Hare, O'Hare Airport, Chicago, Illinois, October 30-31, 1972. [Arlington, Va.]: AGA, 1973.
MLA (9th ed.) CitationSynthetic Pipeline Gas Symposium Chicago, Ill., et al. Proceedings of Fourth Synthetic Pipeline Gas Symposium, Hyatt Regency O'Hare, O'Hare Airport, Chicago, Illinois, October 30-31, 1972. AGA, 1973.