Cita APA (7a ed.)

Kyburg, H. E., Loui, R. P., & Carlson, G. N. (1990). Knowledge representation and defeasible reasoning. Kluwer Academic.

Cita Chicago Style (17a ed.)

Kyburg, Henry Ely, Ronald P. Loui, y Greg N. Carlson. Knowledge Representation and Defeasible Reasoning. Dordrecht [etc.]: Kluwer Academic, 1990.

Cita MLA (9a ed.)

Kyburg, Henry Ely, et al. Knowledge Representation and Defeasible Reasoning. Kluwer Academic, 1990.