Asher, M. I., Montefort, S., Björkstén, B., Lai, C. K., Strachan, D. P., Weiland, S. K., & Williams, H. (2006). Worldwide time trends in the prevalence of symptoms of asthma, allergic rhinoconjunctivitis, and eczema in childhood: ISAAC Phases One and Three repeat multicountry cross-sectional surveys. The Lancet (British edition), 368(9537), 733-743. https://doi.org/10.1016/S0140-6736(06)69283-0
Chicago Style (17th ed.) CitationAsher, M Innes, Stephen Montefort, Bengt Björkstén, Christopher KW Lai, David P. Strachan, Stephan K. Weiland, and Hywel Williams. "Worldwide Time Trends in the Prevalence of Symptoms of Asthma, Allergic Rhinoconjunctivitis, and Eczema in Childhood: ISAAC Phases One and Three Repeat Multicountry Cross-sectional Surveys." The Lancet (British Edition) 368, no. 9537 (2006): 733-743. https://doi.org/10.1016/S0140-6736(06)69283-0.
MLA (9th ed.) CitationAsher, M Innes, et al. "Worldwide Time Trends in the Prevalence of Symptoms of Asthma, Allergic Rhinoconjunctivitis, and Eczema in Childhood: ISAAC Phases One and Three Repeat Multicountry Cross-sectional Surveys." The Lancet (British Edition), vol. 368, no. 9537, 2006, pp. 733-743, https://doi.org/10.1016/S0140-6736(06)69283-0.