BibTex format
@techreport{Hirst:2011,
author = {Hirst, N and Dunnett, A and Faist, M and Foster, S and Jennings, M and Munuera, L and Tong, D},
booktitle = {Grantham Report GR1},
title = {An assessment of China's 2020 carbon intensity target},
url = {http://www3.imperial.ac.uk/climatechange/publications/institutepublications},
year = {2011}
}