[8] Papers Presented in Proceedings
Use the Conference Proceedings reference type for papers at a conference.
[8] P. Leone, D. L. Gillihan, and T. L. Rauch, "Web-based prototyping for user sessions: Medium-fidelity prototyping," in Proc. 44th Int. Technical Communications Conf. (Toronto, Canada, May 11-14, 1997), pp. 23-24.