Cita APA (7a ed.)

Grädel, E., & Kreutzer, S. (1999). Descriptive Complexity Theory for Constraint Databases. Springer.

Cita Chicago Style (17a ed.)

Grädel, E., y S. Kreutzer. Descriptive Complexity Theory for Constraint Databases. Springer, 1999.

Cita MLA (9a ed.)

Grädel, E., y S. Kreutzer. Descriptive Complexity Theory for Constraint Databases. Springer, 1999.