APA (7th ed.) Citation

ACM Conference on Electronic Commerce, Menasce, D. C., & Nisan, N. C. (2003). Proceedings of the 4th ACM Conference on Electronic Commerce. ACM.

Chicago Style (17th ed.) Citation

ACM Conference on Electronic Commerce, Danny Contributor Menasce, and Noam Contributor Nisan. Proceedings of the 4th ACM Conference on Electronic Commerce. [Place of publication not identified]: ACM, 2003.

MLA (9th ed.) Citation

ACM Conference on Electronic Commerce, et al. Proceedings of the 4th ACM Conference on Electronic Commerce. ACM, 2003.