%% You should probably cite draft-ietf-pim-msdp-yang instead of this I-D.
@techreport{zhang-pim-msdp-yang-00,
    number =    {draft-zhang-pim-msdp-yang-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-zhang-pim-msdp-yang/00/},
    author =    {Zheng Zhang and BenChong Xu},
    title =     {{MSDP YANG model}},
    pagetotal = 10,
    year =      2016,
    month =     apr,
    day =       25,
    abstract =  {This document defines a YANG data model for MSDP protocol configuration and operation.},
}