请引用参考文献并在文中标出

参考文献：

Smith, J. (2010). The impact of climate change on agriculture. Journal of Agricultural Science, 148(2), 137-147.
IPCC. (2014). Climate Change 2014: Synthesis Report. Contribution of Working Groups I, II and III to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change [Core Writing Team, R.K. Pachauri and L.A. Meyer (eds.)]. IPCC, Geneva, Switzerland, 151 pp.
FAO. (2016). The state of food and agriculture 2016: climate change, agriculture and food security. Food and Agriculture Organization of the United Nations, Rome.
Lobell, D. B., Burke, M. B., Tebaldi, C., Mastrandrea, M. D., Falcon, W. P., & Naylor, R. L. (2008). Prioritizing climate change adaptation needs for food security in 2030. Science, 319(5863), 607-610.
Porter, J. R., Xie, L., Challinor, A. J., Cochrane, K., Howden, S. M., Iqbal, M. M., & Travasso, M. I. (2014). Food security and food production systems. In Climate Change 2014: Impacts, Adaptation, and Vulnerability. Part A: Global and Sectoral Aspects. Contribution of Working Group II to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change (pp. 485-533). Cambridge University Press.

在文中标出：例如，“根据Smith (2010)的研究，气候变化对农业的影响非常显著。”