APA Style
Next world : future life on earth. (2009).
:
Discovery Channel.
Chicago Style
Next world : future life on earth.
.
:
Discovery Channel,
2009.
Digital Versatile Disc.
MLA Style
Next world : future life on earth.
.
:
Discovery Channel,
2009.
Digital Versatile Disc.
Turabian Style
Next world : future life on earth.
:
Discovery Channel,
2009.
Digital Versatile Disc.