MLA

Scott Crossley, and Elvira Popescu. Intelligent Tutoring Systems. Springer International Publishing, 2022.

APA

Scott Crossley, S. Crossley, & Popescu, E. (2022). Intelligent Tutoring Systems. Springer International Publishing.

Chicago

Scott Crossley, and Elvira Popescu. Intelligent Tutoring Systems. : Springer International Publishing, 2022.