%% You should probably cite rfc2470 instead of this I-D.
@techreport{ietf-ipngwg-trans-tokenring-04,
    number =    {draft-ietf-ipngwg-trans-tokenring-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-ipngwg-trans-tokenring/04/},
    author =    {Dr. Matt Crawford and Stephen Thomas and Dr. Thomas Narten},
    title =     {{Transmission of IPv6 Packets over Token Ring Networks}},
    pagetotal = 11,
    year =      1998,
    month =     apr,
    day =       7,
    abstract =  {This memo specifies the MTU and frame format for transmission of IPv6 packets on Token Ring networks. {[}STANDARDS-TRACK{]}},
}