APA (7th ed.) Citation

Walker, R. S., Battle, C. W., & Korte, B. (1984). Understanding computer science. Texas Instruments.

Chicago Style (17th ed.) Citation

Walker, Roger S., Charles W. Battle, and Ben Korte. Understanding Computer Science. Dallas, Tex: Texas Instruments, 1984.

MLA (9th ed.) Citation

Walker, Roger S., et al. Understanding Computer Science. Texas Instruments, 1984.