APA (7th ed.) Citation

National Society for Clean Air & National Smoke Abatement Society. Proceedings of the annual conference. [publisher not identified].

Chicago Style (17th ed.) Citation

National Society for Clean Air and National Smoke Abatement Society. Proceedings of the Annual Conference. [London]: [publisher not identified].

MLA (9th ed.) Citation

National Society for Clean Air and National Smoke Abatement Society. Proceedings of the Annual Conference. [publisher not identified].

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