APA (7th ed.) Citation

Inc, F. S. (1989). Tutorial User's Guide Relational Database Management System.

Chicago Style (17th ed.) Citation

Inc, Fox Sofware. Tutorial User's Guide Relational Database Management System. 1989.

MLA (8th ed.) Citation

Inc, Fox Sofware. Tutorial User's Guide Relational Database Management System. 1989.

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