APA (7th ed.) Citation

Koffman, E. B., & Friedman, F. L. (1979). Problem solving and structured programming in BASIC. Addison-Wesley.

Chicago Style (17th ed.) Citation

Koffman, Elliot B., and Frank L. Friedman. Problem Solving and Structured Programming in BASIC. Reading: Addison-Wesley, 1979.

MLA (9th ed.) Citation

Koffman, Elliot B., and Frank L. Friedman. Problem Solving and Structured Programming in BASIC. Addison-Wesley, 1979.