Rubin, L., Phillips, H. L., & Brown, S. R. (1973). Operational processing of solar proton monitor data. NOAA.
Cita Chicago (17th ed.)Rubin, Louis, Henry L. Phillips, i Stanley R. Brown. Operational Processing of Solar Proton Monitor Data. Washington, D.C.: NOAA, 1973.
Cita MLA (8th ed.)Rubin, Louis, et al. Operational Processing of Solar Proton Monitor Data. NOAA, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.