APA (7th ed.) Citation

Gas Processors Association & Gas Processors Association. Proceedings, annual convention. [publisher not identified].

Chicago Style (17th ed.) Citation

Gas Processors Association and Gas Processors Association. Proceedings, Annual Convention. Denver: [publisher not identified].

MLA (9th ed.) Citation

Gas Processors Association and Gas Processors Association. Proceedings, Annual Convention. [publisher not identified].

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