APA (7th ed.) Citation

O'Brien, S. K. (1989). Turbo Pascal 5.5: The complete reference. Osborne McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Brien, Stephen K. Turbo Pascal 5.5: The Complete Reference. Berkeley: Osborne McGraw-Hill, 1989.

MLA (9th ed.) Citation

O'Brien, Stephen K. Turbo Pascal 5.5: The Complete Reference. Osborne McGraw-Hill, 1989.