APA Style
Helbrough, Emma. (2013).
The Usborne Children's Knowledge .
London:
Usbonrne.
Chicago Style
Helbrough, Emma.
The Usborne Children's Knowledge.
London:
Usbonrne,
2013.
Text.
MLA Style
Helbrough, Emma.
The Usborne Children's Knowledge.
London:
Usbonrne,
2013.
Text.
Turabian Style
Helbrough, Emma.
The Usborne Children's Knowledge.
London:
Usbonrne,
2013.
Print.