Initials, Author(s) (if known), type of program (e.g. Computer Code or Computer Program) Title of the program (in CAPITALS), (Place of production, address (if known), date of production)
|Format||A.A Surname, type of program, PROGRAM TITLE, (Place of production, address, date of production)|
N.R. Briggs, computer code CRUX, (Bell Laboratories, Murray Hill, NJ, 1972).
Computer Program SIGMAPLOT Version 5.0, (Jandel Scientific, 1992)