APA   Click to copy
Graesser, A., Cai, Z., Hu, X., Foltz, P., Greiff, S., Kuo, B.-C., … Shaffer, D. W. (2017). Assessment of collaborative problem solving. In R. Sottilare, A. Graesser, X. Hu, & G. Goodwin (Eds.) (pp. 275–285). Orlando, FL: Army Research Laboratory.

Chicago/Turabian   Click to copy
Graesser, A., Z. Cai, X. Hu, P. Foltz, S. Greiff, B.-C. Kuo, C. H. Liao, and D. W. Shaffer. “Assessment of Collaborative Problem Solving.” In , edited by R. Sottilare, A. Graesser, X. Hu, and G. Goodwin, 275–285. Design recommendations for intelligent tutoring systems (Volume 5) . Orlando, FL: Army Research Laboratory, 2017.

MLA   Click to copy
Graesser, A., et al. Assessment of Collaborative Problem Solving. Edited by R. Sottilare et al., Army Research Laboratory, 2017, pp. 275–85.

@inbook{graesser2017a,
  title = {Assessment of collaborative problem solving},
  year = {2017},
  address = {Orlando, FL},
  pages = {275-285},
  publisher = {Army Research Laboratory},
  series = {Design recommendations for intelligent tutoring systems (Volume 5) },
  author = {Graesser, A. and Cai, Z. and Hu, X. and Foltz, P. and Greiff, S. and Kuo, B.-C. and Liao, C. H. and Shaffer, D. W.},
  editor = {Sottilare, R. and Graesser, A. and Hu, X. and Goodwin, G.}
}