BibTex format
@techreport{Rigby:2011,
author = {Rigby, HL},
title = {New markets for digestate from anaerobic digestion. Report to WRAP, August 2011 project code ISS001-001. http://www.wrap.org.uk/sites/files/wrap/New_Markets_for_AD_WRAP_format_Final_v2.c6779ccd.11341.pdf.},
year = {2011}
}