APA (7th ed.) Citation

Andersen, D., & Weil, B. (1989). 1-2-3 database techniques. Que Corporation.

Chicago Style (17th ed.) Citation

Andersen, Dick, and Bill Weil. 1-2-3 Database Techniques. Carmel, Ind: Que Corporation, 1989.

MLA (9th ed.) Citation

Andersen, Dick, and Bill Weil. 1-2-3 Database Techniques. Que Corporation, 1989.