APA
Skoog D. A., . (2014). Fundamentals of analytical chemistry 9th ed. [Place of publication not identified]: Cengage Learning.
Chicago
Skoog Douglas A, . 2014. Fundamentals of analytical chemistry 9th ed. [Place of publication not identified]: Cengage Learning.
Harvard
Skoog D. A., . (2014). Fundamentals of analytical chemistry 9th ed. [Place of publication not identified]: Cengage Learning.
MLA
Skoog Douglas A, . Fundamentals of analytical chemistry 9th ed. [Place of publication not identified]: Cengage Learning. 2014.