Cita APA (7a ed.)

Freuder, E. C., & Mackworth, A. K. (1994). Constraint-based reasoning. MIT.

Cita Chicago Style (17a ed.)

Freuder, Eugene C., y Alan K. Mackworth. Constraint-based Reasoning. Cambridge (Massachusetts) [etc.]: MIT, 1994.

Cita MLA (9a ed.)

Freuder, Eugene C., y Alan K. Mackworth. Constraint-based Reasoning. MIT, 1994.