APA (7th ed.) Citation

(1988). Turbo Pascal, version 5.0: User's guide. Perfect Bound Pub.

Chicago Style (17th ed.) Citation

Turbo Pascal, Version 5.0: User's Guide. Quezon City: Perfect Bound Pub, 1988.

MLA (9th ed.) Citation

Turbo Pascal, Version 5.0: User's Guide. Perfect Bound Pub, 1988.