APA (7th ed.) Citation

Ullman, J. D. (1984). Implementation of logical query languages for databases.

Chicago Style (17th ed.) Citation

Ullman, Jeffrey D. Implementation of Logical Query Languages for Databases. Stanford, Calif, 1984.

MLA (9th ed.) Citation

Ullman, Jeffrey D. Implementation of Logical Query Languages for Databases. 1984.

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