APA (7th ed.) Citation

Walker, B. S. (1968). Introduction to computer engineering. Hart Pub. Co..

Chicago Style (17th ed.) Citation

Walker, Burnham Sarle. Introduction to Computer Engineering. New York: Hart Pub. Co., 1968.

MLA (9th ed.) Citation

Walker, Burnham Sarle. Introduction to Computer Engineering. Hart Pub. Co., 1968.