APA   Click to copy
Guo, P. J., Kim, J., & Rubin, R. (2014). How video production affects student engagement: an empirical study of MOOC videos. Learning at Scale, 41–50.

Chicago/Turabian   Click to copy
Guo, Philip J., Juho Kim, and Rob Rubin. “How Video Production Affects Student Engagement: an Empirical Study of MOOC Videos.” Learning at Scale (February 4, 2014): 41–50.

MLA   Click to copy
Guo, Philip J., et al. “How Video Production Affects Student Engagement: an Empirical Study of MOOC Videos.” Learning at Scale, Feb. 2014, pp. 41–50.

@article{philip2014a,
  title = {How video production affects student engagement: an empirical study of MOOC videos},
  year = {2014},
  month = feb,
  day = {4},
  journal = {Learning at Scale},
  pages = {41-50},
  author = {Guo, Philip J. and Kim, Juho and Rubin, Rob},
  booktitle = {l@s},
  month_numeric = {2}
}