Cita APA (7a ed.)

Clancey, W. J. (1990). Knowledge-based tutoring: The GUIDON program. Massachusetts Institute of technology.

Cita Chicago Style (17a ed.)

Clancey, William J. Knowledge-based Tutoring: The GUIDON Program. Cambridge: Massachusetts Institute of technology, 1990.

Cita MLA (8a ed.)

Clancey, William J. Knowledge-based Tutoring: The GUIDON Program. Massachusetts Institute of technology, 1990.