APA Style
West, Tracey. (2007).
Space Travel .
New York:
Poptropica.
Chicago Style
West, Tracey.
Space Travel.
New York:
Poptropica,
2007.
.
MLA Style
West, Tracey.
Space Travel.
New York:
Poptropica,
2007.
.
Turabian Style
West, Tracey.
Space Travel.
New York:
Poptropica,
2007.
.