APA   Click to copy
Li, I., Froehlich, J., Larsen, J. E., Grevet, C., & Ramirez, E. (2013). Personal informatics in the wild: hacking habits for health & happiness. Human Factors in Computing Systems, 3179–3182.

Chicago/Turabian   Click to copy
Li, Ian, Jon Froehlich, Jakob E. Larsen, Catherine Grevet, and Ernesto Ramirez. “Personal Informatics in the Wild: Hacking Habits for Health &Amp; Happiness.” Human Factors in Computing Systems (March 26, 2013): 3179–3182.

MLA   Click to copy
Li, Ian, et al. “Personal Informatics in the Wild: Hacking Habits for Health &Amp; Happiness.” Human Factors in Computing Systems, Mar. 2013, pp. 3179–82.

@article{ian2013a,
  title = {Personal informatics in the wild: hacking habits for health & happiness},
  year = {2013},
  month = mar,
  day = {26},
  journal = {Human Factors in Computing Systems},
  pages = {3179-3182},
  author = {Li, Ian and Froehlich, Jon and Larsen, Jakob E. and Grevet, Catherine and Ramirez, Ernesto},
  booktitle = {chi},
  month_numeric = {3}
}