Cita APA (7a ed.)
Bowen, K. A. (1991). Prolog and Expert Systems. McGraw-Hill.
Cita estilo Chicago (17a ed.)
Bowen, Kenneth A. Prolog and Expert Systems. Nueva York, EUA: McGraw-Hill, 1991.
Cita MLA (9a ed.)
Bowen, Kenneth A. Prolog and Expert Systems. McGraw-Hill, 1991.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.