APA (7th ed.) Citation

K, B., MJ, d. L., H, Z., Blennow, K., de Leon, M. J., & Zetterberg, H. (2006). Alzheimer's disease. Lancet, 368(9533), 387. https://doi.org/10.1016/s0140-6736(06)69113-7

Chicago Style (17th ed.) Citation

K, Blennow, de Leon MJ, Zetterberg H, Kaj Blennow, Mony J. de Leon, and Henrik Zetterberg. "Alzheimer's Disease." Lancet 368, no. 9533 (2006): 387. https://doi.org/10.1016/s0140-6736(06)69113-7.

MLA (9th ed.) Citation

K, Blennow, et al. "Alzheimer's Disease." Lancet, vol. 368, no. 9533, 2006, p. 387, https://doi.org/10.1016/s0140-6736(06)69113-7.