APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.