APA (7th ed.) Citation

ScienceDirect (Online service) & Hempel, G. (2004). Drug monitoring and clinical chemistry. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service) and Georg Hempel. Drug Monitoring and Clinical Chemistry. Amsterdam: Elsevier, 2004.

MLA (9th ed.) Citation

ScienceDirect (Online service) and Georg Hempel. Drug Monitoring and Clinical Chemistry. Elsevier, 2004.

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