APA (7th ed.) Citation

BE, S., ES, O., MC, C., AM, A., DG, I., SR, R., . . . Lopez, O. L. (2009). Ginkgo biloba for preventing cognitive decline in older adults: A randomized trial. JAMA: Journal of the American Medical Association, 302(21), 2663. https://doi.org/10.1001/jama.2009.1913

Chicago Style (17th ed.) Citation

BE, Snitz, et al. "Ginkgo Biloba for Preventing Cognitive Decline in Older Adults: A Randomized Trial." JAMA: Journal of the American Medical Association 302, no. 21 (2009): 2663. https://doi.org/10.1001/jama.2009.1913.

MLA (9th ed.) Citation

BE, Snitz, et al. "Ginkgo Biloba for Preventing Cognitive Decline in Older Adults: A Randomized Trial." JAMA: Journal of the American Medical Association, vol. 302, no. 21, 2009, p. 2663, https://doi.org/10.1001/jama.2009.1913.

Warning: These citations may not always be 100% accurate.