APA Style
National Geographic : The Sciencebook. (2008).
Washington, D.C:
National Geographic.
Chicago Style
National Geographic : The Sciencebook.
.
Washington, D.C:
National Geographic,
2008.
Text.
MLA Style
National Geographic : The Sciencebook.
.
Washington, D.C:
National Geographic,
2008.
Text.
Turabian Style
National Geographic : The Sciencebook.
Washington, D.C:
National Geographic,
2008.
Print.