APA   Click to copy
Chaudhuri, S., Kumar, R., Howley, I. K., & Rosé, C. P. (2009). Engaging Collaborative Learners with Helping Agents. Artificial Intelligence in Education, 365–372.

Chicago/Turabian   Click to copy
Chaudhuri, Sourish, Rohit Kumar, Iris K. Howley, and Carolyn Penstein Rosé. “Engaging Collaborative Learners with Helping Agents.” Artificial Intelligence in Education (June 19, 2009): 365–372.

MLA   Click to copy
Chaudhuri, Sourish, et al. “Engaging Collaborative Learners with Helping Agents.” Artificial Intelligence in Education, June 2009, pp. 365–72.

@article{sourish2009a,
  title = {Engaging Collaborative Learners with Helping Agents},
  year = {2009},
  month = jun,
  day = {19},
  journal = {Artificial Intelligence in Education},
  pages = {365-372},
  author = {Chaudhuri, Sourish and Kumar, Rohit and Howley, Iris K. and Rosé, Carolyn Penstein},
  booktitle = {aied},
  month_numeric = {6}
}