BibTex format
@techreport{Ceppi:2020,
author = {Ceppi, P and Gregory, J},
booktitle = {Climate sensitivity: What is it, and why is it important?},
publisher = {The Grantham Institute},
title = {Climate sensitivity: What is it, and why is it important?},
url = {http://www.imperial.ac.uk/Grantham},
year = {2020}
}