%% You should probably cite rfc2327 instead of this I-D.
@techreport{ietf-mmusic-sdp-06,
    number =    {draft-ietf-mmusic-sdp-06},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-mmusic-sdp/06/},
    author =    {Mark J. Handley and Van Jacobson},
    title =     {{SDP: Session Description Protocol}},
    pagetotal = 42,
    year =      1998,
    month =     mar,
    day =       17,
    abstract =  {This document defines the Session Description Protocol, SDP. SDP is intended for describing multimedia sessions for the purposes of session announcement, session invitation, and other forms of multimedia session initiation. {[}STANDARDS-TRACK{]}},
}