APA (7th ed.) Citation

Zelfand, E. (2020). Vitamin C, Pain and Opioid Use Disorder. Integrative medicine (Encinitas, Calif.), 19(3), 18-29.

Chicago Style (17th ed.) Citation

Zelfand, Erica. "Vitamin C, Pain and Opioid Use Disorder." Integrative Medicine (Encinitas, Calif.) 19, no. 3 (2020): 18-29.

MLA (9th ed.) Citation

Zelfand, Erica. "Vitamin C, Pain and Opioid Use Disorder." Integrative Medicine (Encinitas, Calif.), vol. 19, no. 3, 2020, pp. 18-29.