APA Style
Disk Operating System Version 3.10. ((n,d)).
(n,p):
Personal Computer Software.
Chicago Style
Disk Operating System Version 3.10.
.
(n,p):
Personal Computer Software,
(n,d).
Text.
MLA Style
Disk Operating System Version 3.10.
.
(n,p):
Personal Computer Software,
(n,d).
Text.
Turabian Style
Disk Operating System Version 3.10.
(n,p):
Personal Computer Software,
(n,d).
Print.