%% You should probably cite rfc2298 instead of this I-D.
@techreport{ietf-receipt-mdn-07,
    number =    {draft-ietf-receipt-mdn-07},
    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-receipt-mdn/07/},
    author =    {Roger Fajman},
    title =     {{An Extensible Message Format for Message Disposition Notifications}},
    pagetotal = 28,
    year =      1997,
    month =     nov,
    day =       18,
    abstract =  {This memo defines a MIME content-type that may be used by a mail user agent (UA) or electronic mail gateway to report the disposition of a message after it has been sucessfully delivered to a recipient. {[}STANDARDS-TRACK{]}},
}