APA Style
Downs, Robert B.. (1956).
BOOKS THAT CHANGED THE WORLD .
New York:
The New American Library, Inc..
Chicago Style
Downs, Robert B..
BOOKS THAT CHANGED THE WORLD.
New York:
The New American Library, Inc.,
1956.
Text.
MLA Style
Downs, Robert B..
BOOKS THAT CHANGED THE WORLD.
New York:
The New American Library, Inc.,
1956.
Text.
Turabian Style
Downs, Robert B..
BOOKS THAT CHANGED THE WORLD.
New York:
The New American Library, Inc.,
1956.
Print.