APA (7th ed.) Citation

Ullman, J. D. (1988). Principles of database and knowledge-base systems / Jeffrey D. Ullman. Computer Science Press.

Chicago Style (17th ed.) Citation

Ullman, Jeffrey D. Principles of Database and Knowledge-base Systems / Jeffrey D. Ullman. Rockville, Md.: Computer Science Press, 1988.

MLA (9th ed.) Citation

Ullman, Jeffrey D. Principles of Database and Knowledge-base Systems / Jeffrey D. Ullman. Computer Science Press, 1988.

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