APA Citation

 Skoog, D. A. (2007).  Principles of Instrumental Analysis.  Thomson Brooks/Cole.

Chicago Style Citation

 Skoog, Douglas A.  Principles of Instrumental Analysis.  Thomson Brooks/Cole, 2007.

MLA Citation

 Skoog, Douglas A.  Principles of Instrumental Analysis.  Thomson Brooks/Cole, 2007.

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