Kingsley, S. The Search for Extraterrestrial Intelligence (SETI) in the Optical Spectrum II. SPIE Digital Library.
Cita Chicago (17th ed.)Kingsley, Stuart. The Search for Extraterrestrial Intelligence (SETI) in the Optical Spectrum II. SPIE Digital Library.
Cita MLA (9th ed.)Kingsley, Stuart. The Search for Extraterrestrial Intelligence (SETI) in the Optical Spectrum II. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.