APA Style
Sheldon, Sidney. (1991).
The Doomsday conspiracy .
New York:
Warner Books.
Chicago Style
Sheldon, Sidney.
The Doomsday conspiracy.
New York:
Warner Books,
1991.
Book.
MLA Style
Sheldon, Sidney.
The Doomsday conspiracy.
New York:
Warner Books,
1991.
Book.
Turabian Style
Sheldon, Sidney.
The Doomsday conspiracy.
New York:
Warner Books,
1991.
Book.