APA (7th ed.) Citation

Sudarman, A. &. F. W. (1990). PC Backup ver. 6: Hardisk backup data recovery DOS shell. USA: Central Point Software, 1990.

Chicago Style (17th ed.) Citation

Sudarman, Ari & Faried Wijaya. PC Backup Ver. 6: Hardisk Backup Data Recovery DOS Shell. USA: Central Point Software, 1990, 1990.

MLA (8th ed.) Citation

Sudarman, Ari & Faried Wijaya. PC Backup Ver. 6: Hardisk Backup Data Recovery DOS Shell. USA: Central Point Software, 1990, 1990.

Warning: These citations may not always be 100% accurate.