APA Style
Clancy, Tom. (1991).
The Sum of All Fears .
London:
Harper Collins.
Chicago Style
Clancy, Tom.
The Sum of All Fears.
London:
Harper Collins,
1991.
Text.
MLA Style
Clancy, Tom.
The Sum of All Fears.
London:
Harper Collins,
1991.
Text.
Turabian Style
Clancy, Tom.
The Sum of All Fears.
London:
Harper Collins,
1991.
Print.