ScienceDirect (Online service) & O'Mara, S. M. (2018). The opioid system as the interface between the brain's cognitive and motivational systems (First edition.). Academic Press is an imprint of Elsevier.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and S. M. O'Mara. The Opioid System as the Interface Between the Brain's Cognitive and Motivational Systems. First edition. Cambridge, MA: Academic Press is an imprint of Elsevier, 2018.
MLA (9th ed.) CitationScienceDirect (Online service) and S. M. O'Mara. The Opioid System as the Interface Between the Brain's Cognitive and Motivational Systems. First edition. Academic Press is an imprint of Elsevier, 2018.
Warning: These citations may not always be 100% accurate.