APA (7th ed.) Citation

Friedman, F. L. (1982). Problem solving and structured programming in WATFIV. Addison-Wesley.

Chicago Style (17th ed.) Citation

Friedman, Frank L. Problem Solving and Structured Programming in WATFIV. Massachusettes: Addison-Wesley, 1982.

MLA (9th ed.) Citation

Friedman, Frank L. Problem Solving and Structured Programming in WATFIV. Addison-Wesley, 1982.