Spectra,
by R. C. Johnson; with a general preface by O. W. Richardson; with 30 diagrams.
APA Citation
Johnson, R. Carey. (1928). Spectra. London: Methuen.
MLA Citation
Johnson, Raynor Carey. Spectra. London: Methuen, 1928.
Warning: These citations may not always be complete (especially for serials).