Cita APA (7a ed.)

Friedman, F. L., & Koffman, E. B. (1981). Problem solving and structured programming in Fortran (2nd ed.). Addison-Wesley.

Cita Chicago Style (17a ed.)

Friedman, Frank L., y Elliot B. Koffman. Problem Solving and Structured Programming in Fortran. 2nd ed. Reading, Massachusetts [etc.]: Addison-Wesley, 1981.

Cita MLA (9a ed.)

Friedman, Frank L., y Elliot B. Koffman. Problem Solving and Structured Programming in Fortran. 2nd ed. Addison-Wesley, 1981.