APA (7th ed.) Citation

Ceri, S., Gottlob, G., Tanca, L., & Wiederhold, G. (1989). Magic Semi−Joins.

Chicago Style (17th ed.) Citation

Ceri, S., G. Gottlob, L. Tanca, and G. Wiederhold. Magic Semi−Joins. 1989.

MLA (9th ed.) Citation

Ceri, S., et al. Magic Semi−Joins. 1989.