APA
Skoog D. A., . (2012). Introduction to analytical chemistry, 8th ed. [Place of publication not identified]: Cengage Learning.
Chicago
Skoog Douglas A, . 2012. Introduction to analytical chemistry, 8th ed. [Place of publication not identified]: Cengage Learning.
Harvard
Skoog D. A., . (2012). Introduction to analytical chemistry, 8th ed. [Place of publication not identified]: Cengage Learning.
MLA
Skoog Douglas A, . Introduction to analytical chemistry, 8th ed. [Place of publication not identified]: Cengage Learning. 2012.