APA (7th ed.) Citation
Ullman, J. D. (1988). Principles of Database and Knowledge-Base Systems: Volume I: Classical Database Systems. Computer Science Press.
Chicago Style (17th ed.) Citation
Ullman, Jeffrey D. Principles of Database and Knowledge-Base Systems: Volume I: Classical Database Systems. Rockville: Computer Science Press, 1988.
MLA (9th ed.) Citation
Ullman, Jeffrey D. Principles of Database and Knowledge-Base Systems: Volume I: Classical Database Systems. Computer Science Press, 1988.
Warning: These citations may not always be 100% accurate.