APA (7th ed.) Citation

Schmidt, H. (1991). Meta-level control for deductive database systems. Springer-Verlag.

Chicago Style (17th ed.) Citation

Schmidt, Helmut. Meta-level Control for Deductive Database Systems. Berlin ; New York: Springer-Verlag, 1991.

MLA (8th ed.) Citation

Schmidt, Helmut. Meta-level Control for Deductive Database Systems. Springer-Verlag, 1991.