APA (7th ed.) Citation

Brockmann, R. J., Mirel, B. C., & Brockmann, R. J. C. (1991). Proceedings of the 9th annual International Conference on Systems Documentation. ACM.

Chicago Style (17th ed.) Citation

Brockmann, R. John, Barbara Contributor Mirel, and R. John Contributor Brockmann. Proceedings of the 9th Annual International Conference on Systems Documentation. [Place of publication not identified]: ACM, 1991.

MLA (9th ed.) Citation

Brockmann, R. John, et al. Proceedings of the 9th Annual International Conference on Systems Documentation. ACM, 1991.