APA   Click to copy
Harris, R. A., & Yee, P. (1989). The Pragmatics of Usability. In A. Rockley (Ed.), Technicom '89 Proceedings (pp. 155–160). Toronto.

Chicago/Turabian   Click to copy
Harris, Randy Allen, and Paul Yee. “The Pragmatics of Usability.” In Technicom '89 Proceedings, edited by Ann Rockley, 155–160. Toronto, 1989.

MLA   Click to copy
Harris, Randy Allen, and Paul Yee. “The Pragmatics of Usability.” Technicom '89 Proceedings, edited by Ann Rockley, 1989, pp. 155–60.

@inproceedings{harris1989a,
  title = {The Pragmatics of Usability},
  year = {1989},
  address = {Toronto},
  pages = {155-160},
  author = {Harris, Randy Allen and Yee, Paul},
  editor = {Rockley, Ann},
  booktitle = {Technicom '89 Proceedings}
}