APA Style
The world according to humphrey. (2005).
:
Puffin Books.
Chicago Style
The world according to humphrey.
.
:
Puffin Books,
2005.
Text.
MLA Style
The world according to humphrey.
.
:
Puffin Books,
2005.
Text.
Turabian Style
The world according to humphrey.
:
Puffin Books,
2005.
Print.