%% You should probably cite rfc1237 instead of this I-D.
@techreport{ietf-osinsap-internetalloc-01,
    number =    {draft-ietf-osinsap-internetalloc-01},
    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-osinsap-internetalloc/01/},
    author =    {Ross Callon and Richard P. Colella and Ella P. Gardner},
    title =     {{Guidelines for OSI NSAP Allocation in the Internet}},
    pagetotal = 48,
    year =      1991,
    month =     apr,
    day =       25,
    abstract =  {This paper provides guidelines for allocating NSAPs in the Internet.{[}STANDARDS-TRACK{]}},
}