%% You should probably cite rfc7224 instead of this I-D.
@techreport{ietf-netmod-iana-if-type-05,
    number =    {draft-ietf-netmod-iana-if-type-05},
    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-netmod-iana-if-type/05/},
    author =    {Martin Björklund},
    title =     {{IANA Interface Type and Address Family YANG Modules}},
    pagetotal = 49,
    year =      2013,
    month =     apr,
    day =       17,
    abstract =  {This document defines the initial versions of the iana-if-type and iana-afn-safi YANG modules.},
}