APA (7th ed.) Citation

Li, D., & Liu, D. (1990). A fuzzy Prolog database system. Research Studies Pr. u.a.

Chicago Style (17th ed.) Citation

Li, Deyi, and Dongbo Liu. A Fuzzy Prolog Database System. Taunton, Somerset u.a: Research Studies Pr. u.a, 1990.

MLA (9th ed.) Citation

Li, Deyi, and Dongbo Liu. A Fuzzy Prolog Database System. Research Studies Pr. u.a, 1990.