Cita APA (7a ed.)

Clancey, W. J. (1987). Knowledge-based tutoring: The GUIDON program. MIT.

Cita Chicago Style (17a ed.)

Clancey, William J. Knowledge-based Tutoring: The GUIDON Program. Cambridge (Massachusetts) [etc.]: MIT, 1987.

Cita MLA (9a ed.)

Clancey, William J. Knowledge-based Tutoring: The GUIDON Program. MIT, 1987.