Butcher, G. (2015). Tour of the electromagnetic spectrum (Second edition.). National Aeronautics and Space Administration.
Chicago Style (17th ed.) CitationButcher, Ginger. Tour of the Electromagnetic Spectrum. Second edition. Washington, DC: National Aeronautics and Space Administration, 2015.
MLA (9th ed.) CitationButcher, Ginger. Tour of the Electromagnetic Spectrum. Second edition. National Aeronautics and Space Administration, 2015.
Warning: These citations may not always be 100% accurate.