Hello list!
 
I would like to know:

If I have this in a footnote \footnote\cite Truman, Harry: Inaugural Address. 1949. Letzter Zugriff: 10.07.2013, http:// www.presidency.ucsb.edu/ws/?pid=13282. [Hervorhebung I.G.]

 whats the right way?  
\startbuffer[biblio]
@url and I have an author and a year, do I have to write it here? 
 
}
\stopbuffer
 
\mainlanguage[en]
\usebtxdataset[biblio.buffer]
 
\starttext
 
\startbodymatter
  \startchapter[title={Me}]
    That’s me
\footnote{\cite[url, author, year]?
  \stopchapter
\stopbodymatter
 
\startbackmatter
  \startchapter[title={Bibliography}]
    \placelistofpublications
  \stopchapter
\stopbackmatter
 
\stoptext