Cita APA (7a ed.)
Kay, J. (1999). UM99. User modeling: Proceedings of the Seventh International Conference, Banff, Canada June 20-24, 1999. Springer-Verlag Wien.
Cita Chicago Style (17a ed.)
Kay, Judy. UM99. User Modeling: Proceedings of the Seventh International Conference, Banff, Canada June 20-24, 1999. Wien: Springer-Verlag Wien, 1999.
Cita MLA (9a ed.)
Kay, Judy. UM99. User Modeling: Proceedings of the Seventh International Conference, Banff, Canada June 20-24, 1999. Springer-Verlag Wien, 1999.
Precaución: Estas citas no son 100% exactas.