APA (7th ed.) Citation

Ceri, S., Gottlob, G., & Tanca, L. (1989). What you Always Wanted to Know About Datalog (And Never Dared to Ask).

Chicago Style (17th ed.) Citation

Ceri, S., G. Gottlob, and L. Tanca. What You Always Wanted to Know About Datalog (And Never Dared to Ask). 1989.

MLA (9th ed.) Citation

Ceri, S., et al. What You Always Wanted to Know About Datalog (And Never Dared to Ask). 1989.

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