%% You should probably cite draft-ietf-isis-yang-isis-cfg instead of this I-D.
@techreport{litkowski-isis-yang-isis-cfg-00,
    number =    {draft-litkowski-isis-yang-isis-cfg-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-litkowski-isis-yang-isis-cfg/00/},
    author =    {Stephane Litkowski},
    title =     {{Yang Data Model for ISIS protocol}},
    pagetotal = 48,
    year =      2014,
    month =     jun,
    day =       24,
    abstract =  {This document defines a YANG data model that can be used to configure and manage ISIS protocol.},
}