@misc{rfc7240,
    series =    {Request for Comments},
    number =    7240,
    howpublished =  {RFC 7240},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC7240},
    url =       {https://www.rfc-editor.org/info/rfc7240},
    author =    {James M. Snell},
    title =     {{Prefer Header for HTTP}},
    pagetotal = 17,
    year =      2014,
    month =     jun,
    abstract =  {This specification defines an HTTP header field that can be used by a client to request that certain behaviors be employed by a server while processing a request.},
}