APA Style
Walker, Robert. (2012).
Universe, the .
:
Scholastic Ltd.
Chicago Style
Walker, Robert.
Universe, the.
:
Scholastic Ltd,
2012.
Text.
MLA Style
Walker, Robert.
Universe, the.
:
Scholastic Ltd,
2012.
Text.
Turabian Style
Walker, Robert.
Universe, the.
:
Scholastic Ltd,
2012.
Print.