APA (7th ed.) Citation

Smyth, B., Hoffman, V., Fan, J., & Hser, Y. (2007). Years of potential life lost among heroin addicts 33 years after treatment. Preventive medicine, 44(4), 369-374. https://doi.org/10.1016/j.ypmed.2006.10.003

Chicago Style (17th ed.) Citation

Smyth, Breda, Valerie Hoffman, Jing Fan, and Yih-Ing Hser. "Years of Potential Life Lost Among Heroin Addicts 33 years After Treatment." Preventive Medicine 44, no. 4 (2007): 369-374. https://doi.org/10.1016/j.ypmed.2006.10.003.

MLA (9th ed.) Citation

Smyth, Breda, et al. "Years of Potential Life Lost Among Heroin Addicts 33 years After Treatment." Preventive Medicine, vol. 44, no. 4, 2007, pp. 369-374, https://doi.org/10.1016/j.ypmed.2006.10.003.