APA (7th ed.) Citation

(1989). Turbo C: User's guide version 2.0. Borland International.

Chicago Style (17th ed.) Citation

Turbo C: User's Guide Version 2.0. Scotts Valley, CA: Borland International, 1989.

MLA (9th ed.) Citation

Turbo C: User's Guide Version 2.0. Borland International, 1989.