APA Style
Walker, Richard. (1998).
Invention That Changed The World : 20 Th : The Eventful Century .
London:
Readers Digest.
Chicago Style
Walker, Richard.
Invention That Changed The World : 20 Th : The Eventful Century.
London:
Readers Digest,
1998.
Printed Book.
MLA Style
Walker, Richard.
Invention That Changed The World : 20 Th : The Eventful Century.
London:
Readers Digest,
1998.
Printed Book.
Turabian Style
Walker, Richard.
Invention That Changed The World : 20 Th : The Eventful Century.
London:
Readers Digest,
1998.
Printed Book.