APA (7th ed.) Citation

Date, C. J. (1981). An introduction to database systems (3d ed.). Addison-Wesley Pub. Co..

Chicago Style (17th ed.) Citation

Date, C. J. An Introduction to Database Systems. 3d ed. Reading, Mass.: Addison-Wesley Pub. Co., 1981.

MLA (8th ed.) Citation

Date, C. J. An Introduction to Database Systems. 3d ed. Addison-Wesley Pub. Co., 1981.