APA Style
Orme, Helen. (2007).
Earth .
United Kingdom:
Ticktock Publishing.
Chicago Style
Orme, Helen.
Earth.
United Kingdom:
Ticktock Publishing,
2007.
.
MLA Style
Orme, Helen.
Earth.
United Kingdom:
Ticktock Publishing,
2007.
.
Turabian Style
Orme, Helen.
Earth.
United Kingdom:
Ticktock Publishing,
2007.
.