%% You should probably cite rfc1461 instead of this I-D.
@techreport{ietf-x25mib-ipox25mib-04,
    number =    {draft-ietf-x25mib-ipox25mib-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-x25mib-ipox25mib/04/},
    author =    {Dean D. Throop},
    title =     {{SNMP MIB extension for Multiprotocol Interconnect over X.25}},
    pagetotal = 21,
    year =      1993,
    month =     apr,
    day =       19,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in TCP/IP-based internets. In particular, it defines objects for managing Multiprotocol Interconnect (including IP) traffic carried over X.25. {[}STANDARDS-TRACK{]}},
}