%% You should probably cite rfc2736 instead of this I-D.
@techreport{ietf-avt-rtp-format-guidelines-04,
    number =    {draft-ietf-avt-rtp-format-guidelines-04},
    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-avt-rtp-format-guidelines/04/},
    author =    {Colin Perkins and Mark J. Handley},
    title =     {{Guidelines for Writers of RTP Payload Format Specifications}},
    pagetotal = 10,
    year =      1999,
    month =     oct,
    day =       18,
    abstract =  {This document provides general guidelines aimed at assisting the authors of RTP Payload Format specifications in deciding on good formats. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.},
}