APA (7th ed.) Citation

KM, T., A, B., R, H., & S, F. (1998). Informed consent for clinical trials: Is simpler better? Journal of the National Cancer Institute, 90(9), 644. https://doi.org/10.1093/jnci/90.9.644

Chicago Style (17th ed.) Citation

KM, Taylor, Bezjak A, Hunter R, and Fraser S. "Informed Consent for Clinical Trials: Is Simpler Better?" Journal of the National Cancer Institute 90, no. 9 (1998): 644. https://doi.org/10.1093/jnci/90.9.644.

MLA (9th ed.) Citation

KM, Taylor, et al. "Informed Consent for Clinical Trials: Is Simpler Better?" Journal of the National Cancer Institute, vol. 90, no. 9, 1998, p. 644, https://doi.org/10.1093/jnci/90.9.644.