BibTex format
@unpublished{Martin:2010,
author = {Martin, R and Muuls, M and de, Preux L and Wagner, U},
publisher = {CEPDP1039},
title = {Anatomy of a Paradox: Management Practices, Organisational Structure and Energy Efficiency},
url = {http://cep.lse.ac.uk/pubs/download/dp1039.pdf},
year = {2010}
}