APA   Click to copy
Walker, E., Rummel, N., & Koedinger, K. R. (2013). Adaptive Intelligent Support to Improve Peer Tutoring in Algebra. In International Journal of Artificial Intelligence in Education (Vol. 24, pp. 33–61).

Chicago/Turabian   Click to copy
Walker, Erin, Nikol Rummel, and Kenneth R. Koedinger. “Adaptive Intelligent Support to Improve Peer Tutoring in Algebra.” In International Journal of Artificial Intelligence in Education, 24:33–61, 2013.

MLA   Click to copy
Walker, Erin, et al. “Adaptive Intelligent Support to Improve Peer Tutoring in Algebra.” International Journal of Artificial Intelligence in Education, vol. 24, no. 1, 2013, pp. 33–61.

@conference{erin2013a,
  title = {Adaptive Intelligent Support to Improve Peer Tutoring in Algebra},
  year = {2013},
  month = nov,
  day = {31},
  issue = {1},
  journal = {International Journal of Artificial Intelligence in Education},
  pages = {33-61},
  volume = {24},
  author = {Walker, Erin and Rummel, Nikol and Koedinger, Kenneth R.},
  booktitle = {ijaied},
  month_numeric = {11}
}