APA (7th ed.) Citation

Date, C. J. (1977). An Introduction to database systems (2nd ed.). Addison-Wesley.

Chicago Style (17th ed.) Citation

Date, C. J. An Introduction to Database Systems. 2nd ed. Reading, MA [etc.]: Addison-Wesley, 1977.

MLA (9th ed.) Citation

Date, C. J. An Introduction to Database Systems. 2nd ed. Addison-Wesley, 1977.