Active Conceptual Modeling of Learning
  MLA
  Chen, Peter P, et al. Active Conceptual Modeling of Learning. Springer Berlin Heidelberg, 2007.
  APA
  Chen, P. P, Chen, P. P. S, Kanade, T., Wong, L. Y, & Kittler, J. (2007). Active Conceptual Modeling of Learning. Springer Berlin Heidelberg.
  Chicago
  Chen, Peter P., Peter P. S Chen, Takeo Kanade, Leah Y Wong, and Josef Kittler. Active Conceptual Modeling of Learning. : Springer Berlin Heidelberg, 2007.