%% You should probably cite draft-ietf-pim-msdp-yang instead of this I-D.
@techreport{zhang-pim-msdp-yang-02,
    number =    {draft-zhang-pim-msdp-yang-02},
    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/02/},
    author =    {Xufeng Liu and Zheng Zhang and Anish Peter and Mahesh Sivakumar and Feng Guo and Pete McAllister},
    title =     {{MSDP YANG Model}},
    pagetotal = 24,
    year =      2016,
    month =     oct,
    day =       30,
    abstract =  {This document defines a YANG data model for the configuration and management of MSDP Protocol.},
}