Cita APA (7a ed.)

Rich, R. (1987). A CCD atlas of comparison spectra: Thorium-argon hollow cathode. National Optical Astronomy Observatories.

Cita Chicago Style (17a ed.)

Rich, R.M. A CCD Atlas of Comparison Spectra: Thorium-argon Hollow Cathode. Kitt Peak: National Optical Astronomy Observatories, 1987.

Cita MLA (9a ed.)

Rich, R.M. A CCD Atlas of Comparison Spectra: Thorium-argon Hollow Cathode. National Optical Astronomy Observatories, 1987.