The National Geographic Style Manual is a guide to preferred National Geographic style and usage. It is not meant to be definitive; use it along with other sources and your own editorial judgment.

Let us hear from you if you need an opinion, want to contribute, or disagree with our recommendations.

This manual was prepared by the Style Committee with the assistance of many other National Geographic staff.

Copyright © 2016 National Geographic Partners, LLC.
All rights reserved. Reproduction of the whole or any part of the contents
without written permission is prohibited.