Cita APA (7th ed.)

Buchmann, A. P., Dayal, U., & Dittrich, K. R. (1991). On object-oriented database systems. Springer-Verlag.

Cita Chicago (17th ed.)

Buchmann, Alejandro P., Umeshwar Dayal, i Klaus R. Dittrich. On Object-oriented Database Systems. Berlin: Springer-Verlag, 1991.

Cita MLA (9th ed.)

Buchmann, Alejandro P., et al. On Object-oriented Database Systems. Springer-Verlag, 1991.