APA   Click to copy
Dey, A. K., Abowd, G. D., & Salber, D. (1999). A Context-Based Infrastructure for Smart Environments, 114–128.

Chicago/Turabian   Click to copy
Dey, Anind K., Gregory D. Abowd, and Daniel Salber. “A Context-Based Infrastructure for Smart Environments” (November 31, 1999): 114–128.

MLA   Click to copy
Dey, Anind K., et al. A Context-Based Infrastructure for Smart Environments. Nov. 1999, pp. 114–28.

@article{anind1999a,
  title = {A Context-Based Infrastructure for Smart Environments},
  year = {1999},
  month = nov,
  day = {31},
  pages = {114-128},
  author = {Dey, Anind K. and Abowd, Gregory D. and Salber, Daniel},
  month_numeric = {11}
}