APA (7th ed.) Citation

Ryder, B. G., Ryder, B. G. C., & Zorn, B. G. C. (1999). Proceedings of the ACM SIGPLAN 1999 Conference on Programming Language Design and Implementation. ACM.

Chicago Style (17th ed.) Citation

Ryder, Barbara G., Barbara G. Contributor Ryder, and Benjamin G. Contributor Zorn. Proceedings of the ACM SIGPLAN 1999 Conference on Programming Language Design and Implementation. [Place of publication not identified]: ACM, 1999.

MLA (9th ed.) Citation

Ryder, Barbara G., et al. Proceedings of the ACM SIGPLAN 1999 Conference on Programming Language Design and Implementation. ACM, 1999.