APA   Click to copy
Harrison, C., Horstman, J., Hsieh, G., & Hudson, S. E. (2012). Unlocking the expressivity of point lights. Human Factors in Computing Systems, 1683–1692.

Chicago/Turabian   Click to copy
Harrison, Chris, John Horstman, Gary Hsieh, and Scott E. Hudson. “Unlocking the Expressivity of Point Lights.” Human Factors in Computing Systems (April 4, 2012): 1683–1692.

MLA   Click to copy
Harrison, Chris, et al. “Unlocking the Expressivity of Point Lights.” Human Factors in Computing Systems, Apr. 2012, pp. 1683–92.

@article{chris2012a,
  title = {Unlocking the expressivity of point lights},
  year = {2012},
  month = apr,
  day = {4},
  journal = {Human Factors in Computing Systems},
  pages = {1683-1692},
  author = {Harrison, Chris and Horstman, John and Hsieh, Gary and Hudson, Scott E.},
  booktitle = {chi},
  month_numeric = {4}
}