%% You should probably cite rfc1270 instead of this I-D.
@techreport{ietf-snmp-commservices-00,
    number =    {draft-ietf-snmp-commservices-00},
    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-snmp-commservices/00/},
    author =    {},
    title =     {{SNMP Communications Services}},
    pagetotal = 11,
    year =      1991,
    month =     apr,
    day =       23,
    abstract =  {This document discusses various issues to be considered when determining the underlying communications services to be used by an SNMP implementation. This memo provides information for the Internet community. It does not specify an Internet standard.},
}