APA Style
CHRISTIAN, Kaare. (1989).
The Unix Operating System (2nd ed).
Singapore:
John Willey & Sons.
Chicago Style
CHRISTIAN, Kaare.
The Unix Operating System.
2nd ed
Singapore:
John Willey & Sons,
1989.
Text.
MLA Style
CHRISTIAN, Kaare.
The Unix Operating System.
2nd ed
Singapore:
John Willey & Sons,
1989.
Text.
Turabian Style
CHRISTIAN, Kaare.
The Unix Operating System.
2nd ed
Singapore:
John Willey & Sons,
1989.
Print.