APA (7th ed.) Citation

ML, J., JC, N., NS, W., KM, N., W, B., & LA, J. (2008). Influenza vaccination and risk of community-acquired pneumonia in immunocompetent elderly people: A population-based, nested case-control study. Lancet, 372(9636), 398. https://doi.org/10.1016/s0140-6736(08)61160-5

Chicago Style (17th ed.) Citation

ML, Jackson, Nelson JC, Weiss NS, Neuzil KM, Barlow W, and Jackson LA. "Influenza Vaccination and Risk of Community-acquired Pneumonia in Immunocompetent Elderly People: A Population-based, Nested Case-control Study." Lancet 372, no. 9636 (2008): 398. https://doi.org/10.1016/s0140-6736(08)61160-5.

MLA (9th ed.) Citation

ML, Jackson, et al. "Influenza Vaccination and Risk of Community-acquired Pneumonia in Immunocompetent Elderly People: A Population-based, Nested Case-control Study." Lancet, vol. 372, no. 9636, 2008, p. 398, https://doi.org/10.1016/s0140-6736(08)61160-5.

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