MLA

Thomas, Brian F, Mahmoud ElSohly, and Mahmoud A ElSohly. The Analytical Chemistry of Cannabis : Quality Assessment, Assurance, and Regulation of Medicinal Marijuana and Cannabinoid Preparations. Elsevier, 2016.

APA

Thomas, B. F, ElSohly, M., & ElSohly, M. A. (2016). The Analytical Chemistry of Cannabis : Quality Assessment, Assurance, and Regulation of Medicinal Marijuana and Cannabinoid Preparations. Elsevier.

Chicago

Thomas, Brian F, Mahmoud ElSohly, and Mahmoud A ElSohly. The Analytical Chemistry of Cannabis : Quality Assessment, Assurance, and Regulation of Medicinal Marijuana and Cannabinoid Preparations. : Elsevier, 2016.