Ojeda-Castaneda, J. Tribute to H. John Caulfield. SPIE Digital Library.
Cita Chicago (17th ed.)Ojeda-Castaneda, Jorge. Tribute to H. John Caulfield. SPIE Digital Library.
Cita MLA (9th ed.)Ojeda-Castaneda, Jorge. Tribute to H. John Caulfield. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.