APA (7th ed.) Citation

Date, C. J. (1975). An Introduction to database systems. Addison-Wesley.

Chicago Style (17th ed.) Citation

Date, C. J. An Introduction to Database Systems. Reading, Mass: Addison-Wesley, 1975.

MLA (9th ed.) Citation

Date, C. J. An Introduction to Database Systems. Addison-Wesley, 1975.