APA Style
Walker, Ralph S.. (1966).
The Modern Children's Library of Knowledge .
London:
Grolier.
Chicago Style
Walker, Ralph S..
The Modern Children's Library of Knowledge.
London:
Grolier,
1966.
Text.
MLA Style
Walker, Ralph S..
The Modern Children's Library of Knowledge.
London:
Grolier,
1966.
Text.
Turabian Style
Walker, Ralph S..
The Modern Children's Library of Knowledge.
London:
Grolier,
1966.
Print.