APA (7th ed.) Citation

Li, D. (1984). A PROLOG database system. Research Studies Pr. u.a.

Chicago Style (17th ed.) Citation

Li, Deyi. A PROLOG Database System. Letchworth u.a: Research Studies Pr. u.a, 1984.

MLA (9th ed.) Citation

Li, Deyi. A PROLOG Database System. Research Studies Pr. u.a, 1984.