In your .bib file
@misc{NWS2010,
author = "{National Weather Service (NWS)}",
title = {{United States Flood Loss Report - Water Year 2010}},
howpublished = {\url{http://www.nws.noaa.gov/hic/summaries/WY2010.pdf}},
note = {last accessed: February 2017} ,
year=2010,
}
\citep{NWS2010}
Disply in text body:
Results (in References):
