%% You should probably cite draft-boucadair-pcp-yang-05 instead of this revision.
@techreport{boucadair-pcp-yang-04,
    number =    {draft-boucadair-pcp-yang-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-boucadair-pcp-yang/04/},
    author =    {Mohamed Boucadair and Christian Jacquenet and Senthil Sivakumar and Suresh Vinapamula},
    title =     {{YANG Data Models for the Port Control Protocol (PCP)}},
    pagetotal = 80,
    year =      2017,
    month =     may,
    day =       16,
    abstract =  {This document defines YANG data models for the Port Control Protocol (PCP), including PCP client, PCP server, PCP proxy, and Universal Plug and Play (UPnP) Internet Gateway Device - Port Control Protocol Interworking Function.},
}