APA (7th ed.) Citation

Li, S., Li, J., Epstein, D. H., Zhang, X. Y., Kosten, T. R., & Lu, L. (2008). Serum Cortisol Secretion During Heroin Abstinence Is Elevated Only Nocturnally. American Journal of Drug & Alcohol Abuse, 34(3), 321. https://doi.org/10.1080/00952990802013664

Chicago Style (17th ed.) Citation

Li, Su-xia, Jing Li, David H. Epstein, Xiang Yang Zhang, Thomas R. Kosten, and Lin Lu. "Serum Cortisol Secretion During Heroin Abstinence Is Elevated Only Nocturnally." American Journal of Drug & Alcohol Abuse 34, no. 3 (2008): 321. https://doi.org/10.1080/00952990802013664.

MLA (9th ed.) Citation

Li, Su-xia, et al. "Serum Cortisol Secretion During Heroin Abstinence Is Elevated Only Nocturnally." American Journal of Drug & Alcohol Abuse, vol. 34, no. 3, 2008, p. 321, https://doi.org/10.1080/00952990802013664.