APA (7th ed.) Citation

National Society for Clean Air. Conference. (1957). Proceedings of the annual conference. The Society.

Chicago Style (17th ed.) Citation

National Society for Clean Air. Conference. Proceedings of the Annual Conference. London: The Society, 1957.

MLA (8th ed.) Citation

National Society for Clean Air. Conference. Proceedings of the Annual Conference. The Society, 1957.

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