APA (7th ed.) Citation

Costa, E. (1992). New directions for intelligent tutoring systems. Springer.

Chicago Style (17th ed.) Citation

Costa, Ernesto. New Directions for Intelligent Tutoring Systems. Berlin: Springer, 1992.

MLA (9th ed.) Citation

Costa, Ernesto. New Directions for Intelligent Tutoring Systems. Springer, 1992.

Warning: These citations may not always be 100% accurate.