APA (7th ed.) Citation

Brusilovsky, P. L. (1992). Intelligent Tutor, Environment and Manual for Introductory Programming. Educational and Training Technology International, 29(1), 26.

Chicago Style (17th ed.) Citation

Brusilovsky, P. L. "Intelligent Tutor, Environment and Manual for Introductory Programming." Educational and Training Technology International 29, no. 1 (1992): 26.

MLA (9th ed.) Citation

Brusilovsky, P. L. "Intelligent Tutor, Environment and Manual for Introductory Programming." Educational and Training Technology International, vol. 29, no. 1, 1992, p. 26.