APA (7th ed.) Citation

United States. National Aeronautics and Space Administration. (1999). Understanding our changing planet: Earth science enterprise applications factbook. National Aeronautics and Space Administration.

Chicago Style (17th ed.) Citation

United States. National Aeronautics and Space Administration. Understanding Our Changing Planet: Earth Science Enterprise Applications Factbook. [Washington, D.C.?]: National Aeronautics and Space Administration, 1999.

MLA (9th ed.) Citation

United States. National Aeronautics and Space Administration. Understanding Our Changing Planet: Earth Science Enterprise Applications Factbook. National Aeronautics and Space Administration, 1999.