An introduction to the study of spectrum analysis,
by W. Marshall Watts ... With coloured plate and 135 illustrations in the text.

APA Citation

Watts, W. Marshall (William Marshall)., Huggins, L., Huggins, W. (1904). An introduction to the study of spectrum analysis. London, New York, Bombay: Longmans, Green, and co..

MLA Citation

Watts, W. Marshall (William Marshall), 1844-1919, Lady Huggins, and William Huggins. An Introduction to the Study of Spectrum Analysis. London, New York, Bombay: Longmans, Green, and co., 1904.