APA (7th ed.) Citation

Berlinger, E., & Zirkel, G. (1991). Using Turbo Pascal. Galgotia Publications.

Chicago Style (17th ed.) Citation

Berlinger, Eli, and Gene Zirkel. Using Turbo Pascal. New Delhi: Galgotia Publications, 1991.

MLA (9th ed.) Citation

Berlinger, Eli, and Gene Zirkel. Using Turbo Pascal. Galgotia Publications, 1991.