APA   Click to copy
Grimm, R., Davis, J., Lemar, E., Macbeth, A., Swanson, S., Anderson, T., … Wetherall, D. (2004). System support for pervasive applications. ACM Transactions on Computer Systems, 22(4), 421–486.

Chicago/Turabian   Click to copy
Grimm, Robert, Janet Davis, Eric Lemar, Adam Macbeth, Steven Swanson, Thomas Anderson, Brian Bershad, Gaetano Borriello, Steven Gribble, and David Wetherall. “System Support for Pervasive Applications.” ACM Transactions on Computer Systems 22, no. 4 (September 31, 2004): 421–486.

MLA   Click to copy
Grimm, Robert, et al. “System Support for Pervasive Applications.” ACM Transactions on Computer Systems, vol. 22, no. 4, Sept. 2004, pp. 421–86.

@article{robert2004a,
  title = {System support for pervasive applications},
  year = {2004},
  month = sep,
  day = {31},
  issue = {4},
  journal = {ACM Transactions on Computer Systems},
  pages = {421-486},
  volume = {22},
  author = {Grimm, Robert and Davis, Janet and Lemar, Eric and Macbeth, Adam and Swanson, Steven and Anderson, Thomas and Bershad, Brian and Borriello, Gaetano and Gribble, Steven and Wetherall, David},
  month_numeric = {9}
}