APA (7th ed.) Citation

P, W., RK, L., MA, K., & EP, L. (2002). Underdiagnosis and undertreatment of osteoporosis. Lancet, 360(9348), 1891. https://doi.org/10.1016/s0140-6736(02)11763-6

Chicago Style (17th ed.) Citation

P, Westesson, Lee RK, Ketkar MA, and Lin EP. "Underdiagnosis and Undertreatment of Osteoporosis." Lancet 360, no. 9348 (2002): 1891. https://doi.org/10.1016/s0140-6736(02)11763-6.

MLA (9th ed.) Citation

P, Westesson, et al. "Underdiagnosis and Undertreatment of Osteoporosis." Lancet, vol. 360, no. 9348, 2002, p. 1891, https://doi.org/10.1016/s0140-6736(02)11763-6.