APA (7th ed.) Citation

(1994). DEC Fortran 90: User manual for DEC OSF. Digital Equipment Corporation.

Chicago Style (17th ed.) Citation

DEC Fortran 90: User Manual for DEC OSF. Maynard, Mass: Digital Equipment Corporation, 1994.

MLA (9th ed.) Citation

DEC Fortran 90: User Manual for DEC OSF. Digital Equipment Corporation, 1994.