APA (7th ed.) Citation

O'Brien, S. (1992). Turbo Pascal 6: Manual de referencia. Osborne-McGraw-Hill.

Chicago Style (17th ed.) Citation

O'Brien, Stephen. Turbo Pascal 6: Manual De Referencia. Madrid [etc.]: Osborne-McGraw-Hill, 1992.

MLA (9th ed.) Citation

O'Brien, Stephen. Turbo Pascal 6: Manual De Referencia. Osborne-McGraw-Hill, 1992.