APA Style
People & Space. (2004).
:
Discovery Channel School.
Chicago Style
People & Space.
.
:
Discovery Channel School,
2004.
CDROM.
MLA Style
People & Space.
.
:
Discovery Channel School,
2004.
CDROM.
Turabian Style
People & Space.
:
Discovery Channel School,
2004.
CDROM.