APA (7th ed.) Citation

Date, C. J. (1995). An Introduction to database systems (6th ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Date, C. J. An Introduction to Database Systems. 6th ed. Reading (Massachussets) [etc.]: Addison-Wesley, 1995.

MLA (9th ed.) Citation

Date, C. J. An Introduction to Database Systems. 6th ed. Addison-Wesley, 1995.