Schaefer, B. E. (2003). Old Astrophotos: Averting a lost lega cy ; Yersterday's astronomical photographs can still produce cutting-edge science - but only if we preserve them for tomorrow's astronomers. Sky & Telescope.
Chicago Style (17th ed.) CitationSchaefer, Bradley E. "Old Astrophotos: Averting a Lost Lega Cy ; Yersterday's Astronomical Photographs Can Still Produce Cutting-edge Science - but Only If We Preserve Them for Tomorrow's Astronomers." Sky & Telescope 2003.
MLA (8th ed.) CitationSchaefer, Bradley E. "Old Astrophotos: Averting a Lost Lega Cy ; Yersterday's Astronomical Photographs Can Still Produce Cutting-edge Science - but Only If We Preserve Them for Tomorrow's Astronomers." Sky & Telescope, 2003.
Warning: These citations may not always be 100% accurate.