APA (7th ed.) Citation

Butler, C. D., & Harley, D. (2010). Primary, secondary and tertiary effects of eco-climatic change: The medical response. Postgraduate Medical Journal, 86(1014), 230. https://doi.org/10.1136/pgmj.2009.082727

Chicago Style (17th ed.) Citation

Butler, Colin D., and David Harley. "Primary, Secondary and Tertiary Effects of Eco-climatic Change: The Medical Response." Postgraduate Medical Journal 86, no. 1014 (2010): 230. https://doi.org/10.1136/pgmj.2009.082727.

MLA (9th ed.) Citation

Butler, Colin D., and David Harley. "Primary, Secondary and Tertiary Effects of Eco-climatic Change: The Medical Response." Postgraduate Medical Journal, vol. 86, no. 1014, 2010, p. 230, https://doi.org/10.1136/pgmj.2009.082727.