APA Style
National Geograpic 1 : May. June, and October 2004 (biding magazines). (2004).
Washington, D.C:
National Geographic Society.
Chicago Style
National Geograpic 1 : May. June, and October 2004 (biding magazines).
.
Washington, D.C:
National Geographic Society,
2004.
Text.
MLA Style
National Geograpic 1 : May. June, and October 2004 (biding magazines).
.
Washington, D.C:
National Geographic Society,
2004.
Text.
Turabian Style
National Geograpic 1 : May. June, and October 2004 (biding magazines).
Washington, D.C:
National Geographic Society,
2004.
Print.