APA (7th ed.) Citation

(1988). Turbo prolog: Reference guide : version 2.0. Perfect Bound.

Chicago Style (17th ed.) Citation

Turbo Prolog: Reference Guide : Version 2.0. Quezon City: Perfect Bound, 1988.

MLA (9th ed.) Citation

Turbo Prolog: Reference Guide : Version 2.0. Perfect Bound, 1988.