APA (7th ed.) Citation

International , B. (1986). Disk Opreting System Version 3.10. I.B.M.

Chicago Style (17th ed.) Citation

International , Business. Disk Opreting System Version 3.10. NULL: I.B.M, 1986.

MLA (9th ed.) Citation

International , Business. Disk Opreting System Version 3.10. I.B.M, 1986.