APA (7th ed.) Citation

Shanahan, T. L., Kronauer, R. E., Duffy, J. F., Williams, G. H., & Czeisler, C. A. (1999). Melatonin rhythm observed throughout a three-cycle bright-light stimulus designed to reset the human circadian pacemaker. Journal of biological rhythms, 14(3), 237. https://doi.org/10.1177/074873099129000560

Chicago Style (17th ed.) Citation

Shanahan, T L., R E. Kronauer, J F. Duffy, G H. Williams, and C A. Czeisler. "Melatonin Rhythm Observed Throughout a Three-cycle Bright-light Stimulus Designed to Reset the Human Circadian Pacemaker." Journal of Biological Rhythms 14, no. 3 (1999): 237. https://doi.org/10.1177/074873099129000560.

MLA (9th ed.) Citation

Shanahan, T L., et al. "Melatonin Rhythm Observed Throughout a Three-cycle Bright-light Stimulus Designed to Reset the Human Circadian Pacemaker." Journal of Biological Rhythms, vol. 14, no. 3, 1999, p. 237, https://doi.org/10.1177/074873099129000560.