Cita APA (7a ed.)

Kangassalo, H., Jaakola, H., & Ohsuga, S. (1990). Information modelling and knowledge bases. IOS Press.

Cita Chicago Style (17a ed.)

Kangassalo, Hannu, H. Jaakola, y S. Ohsuga. Information Modelling and Knowledge Bases. Netherlands: IOS Press, 1990.

Cita MLA (9a ed.)

Kangassalo, Hannu, et al. Information Modelling and Knowledge Bases. IOS Press, 1990.