APA Style
National Geograpic 9 : October, November, and December 2014 (biding magazines). (2014).
Washington, D.C:
National Geographic Society.
Chicago Style
National Geograpic 9 : October, November, and December 2014 (biding magazines).
.
Washington, D.C:
National Geographic Society,
2014.
Text.
MLA Style
National Geograpic 9 : October, November, and December 2014 (biding magazines).
.
Washington, D.C:
National Geographic Society,
2014.
Text.
Turabian Style
National Geograpic 9 : October, November, and December 2014 (biding magazines).
Washington, D.C:
National Geographic Society,
2014.
Print.