APA (7th ed.) Citation

Ullman, J. D., & Widom, J. (1997). A first course in database systems / Jeffrey D. Ullman and Jennifer Widom. Prentice Hall.

Chicago Style (17th ed.) Citation

Ullman, Jeffrey D., and Jennifer Widom. A First Course in Database Systems / Jeffrey D. Ullman and Jennifer Widom. Upper Saddle River, NJ: Prentice Hall, 1997.

MLA (9th ed.) Citation

Ullman, Jeffrey D., and Jennifer Widom. A First Course in Database Systems / Jeffrey D. Ullman and Jennifer Widom. Prentice Hall, 1997.

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