APA   Click to copy
Dey, A. K., Wac, K., Ferreira, D., Tassini, K., Hong, J.-H., & Ramos, J. (2011). Getting closer: an empirical investigation of the proximity of user to their smart phones. Ubiquitous Computing, 163–172.

Chicago/Turabian   Click to copy
Dey, Anind K., Katarzyna Wac, Denzil Ferreira, Kevin Tassini, Jin-Hyuk Hong, and Julian Ramos. “Getting Closer: an Empirical Investigation of the Proximity of User to Their Smart Phones.” Ubiquitous Computing (August 16, 2011): 163–172.

MLA   Click to copy
Dey, Anind K., et al. “Getting Closer: an Empirical Investigation of the Proximity of User to Their Smart Phones.” Ubiquitous Computing, Aug. 2011, pp. 163–72.

@article{anind2011a,
  title = {Getting closer: an empirical investigation of the proximity of user to their smart phones},
  year = {2011},
  month = aug,
  day = {16},
  journal = {Ubiquitous Computing},
  pages = {163-172},
  author = {Dey, Anind K. and Wac, Katarzyna and Ferreira, Denzil and Tassini, Kevin and Hong, Jin-Hyuk and Ramos, Julian},
  booktitle = {ubicomp},
  month_numeric = {8}
}