Cita APA (7a ed.)

Koffman, E. B., & Friedman, F. L. (1990). Problem Solving and Structured Programming in Fortran 77. Addison-Wesley Publishing Company.

Cita Chicago Style (17a ed.)

Koffman, Elliot B., y Frank L. Friedman. Problem Solving and Structured Programming in Fortran 77. Reading: Addison-Wesley Publishing Company, 1990.

Cita MLA (9a ed.)

Koffman, Elliot B., y Frank L. Friedman. Problem Solving and Structured Programming in Fortran 77. Addison-Wesley Publishing Company, 1990.