%% You should probably cite rfc7950 instead of this I-D.
@techreport{ietf-netmod-rfc6020bis-05,
    number =    {draft-ietf-netmod-rfc6020bis-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-rfc6020bis/05/},
    author =    {Martin Björklund},
    title =     {{YANG - A Data Modeling Language for the Network Configuration Protocol (NETCONF)}},
    pagetotal = 193,
    year =      2015,
    month =     may,
    day =       4,
    abstract =  {YANG is a data modeling language used to model configuration and state data manipulated by the Network Configuration Protocol (NETCONF), NETCONF remote procedure calls, and NETCONF notifications. This document obsoletes RFC 6020.},
}