APA   Click to copy
Harris, R. A. A do-it yourself usability kit (Reprint). In Proceedings of the Third Conference on Quality in Documentation: Usability Concepts and Procedures. 1992.

Chicago/Turabian   Click to copy
Harris, Randy Allen. “A Do-It Yourself Usability Kit (Reprint).” In Proceedings of the Third Conference on Quality in Documentation: Usability Concepts and Procedures. 1992, n.d.

MLA   Click to copy
Harris, Randy Allen. “A Do-It Yourself Usability Kit (Reprint).” Proceedings of the Third Conference on Quality in Documentation: Usability Concepts and Procedures. 1992.

@incollection{randy-a,
  title = {A do-it yourself usability kit (Reprint)},
  author = {Harris, Randy Allen},
  booktitle = {Proceedings of the Third Conference on Quality in Documentation: Usability Concepts and Procedures. 1992}
}