APA (7th ed.) Citation

(1991). The problem of incomplete information in relational databases / G. Grahne.

Chicago Style (17th ed.) Citation

The Problem of Incomplete Information in Relational Databases / G. Grahne. 1991.

MLA (9th ed.) Citation

The Problem of Incomplete Information in Relational Databases / G. Grahne. 1991.

Warning: These citations may not always be 100% accurate.