APA (7th ed.) Citation

ACM Conference & Association for Computing Machinery. (1985). Proceedings. Association for Computing Machinery.

Chicago Style (17th ed.) Citation

ACM Conference and Association for Computing Machinery. Proceedings. New York, N.Y.: Association for Computing Machinery, 1985.

MLA (9th ed.) Citation

ACM Conference and Association for Computing Machinery. Proceedings. Association for Computing Machinery, 1985.