APA (7th ed.) Citation

Gerard Arnoldus Kalkman, Cornelis Kramers, Robert T van Dongen, Wim van den Brink, & Arnt Schellekens. (2020). Tackling rising numbers of opioid prescriptions users. Elsevier.

Chicago Style (17th ed.) Citation

Gerard Arnoldus Kalkman, Cornelis Kramers, Robert T van Dongen, Wim van den Brink, and Arnt Schellekens. Tackling Rising Numbers of Opioid Prescriptions Users. Elsevier, 2020.

MLA (9th ed.) Citation

Gerard Arnoldus Kalkman, et al. Tackling Rising Numbers of Opioid Prescriptions Users. Elsevier, 2020.