APA (7th ed.) Citation

Bent, R. J., & Sethares, G. C. (1990). BASIC: An introduction to computer programming (4th ed.). Brooks/Cole Pub. Co..

Chicago Style (17th ed.) Citation

Bent, Robert J., and George C. Sethares. BASIC: An Introduction to Computer Programming. 4th ed. Pacific Grove, Calif.: Brooks/Cole Pub. Co., 1990.

MLA (9th ed.) Citation

Bent, Robert J., and George C. Sethares. BASIC: An Introduction to Computer Programming. 4th ed. Brooks/Cole Pub. Co., 1990.