APA (7th ed.) Citation

ScienceDirect (Online service) & Williams, D. H. (1976). Spectroscopy. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Dudley H. Williams. Spectroscopy. New York, N.Y.: Academic Press, 1976.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Dudley H. Williams. Spectroscopy. Academic Press, 1976.

Warning: These citations may not always be 100% accurate.