%% You should probably cite draft-ietf-appsawg-http-problem instead of this I-D.
@techreport{nottingham-http-problem-04,
	number =	{draft-nottingham-http-problem-04},
	type =		{Internet-Draft},
	institution =	{Internet Engineering Task Force},
	publisher =	{Internet Engineering Task Force},
	note =		{Work in Progress},
	url =		{https://datatracker.ietf.org/doc/html/draft-nottingham-http-problem-04},
        author =	{Mark Nottingham and Erik Wilde},
	title =		{{Problem Details for HTTP APIs}},
	pagetotal =	12,
	year =		,
	month =		,
	day =		,
	abstract =	{This document defines a "problem detail" as a way to carry machine- readable details of errors in a HTTP response, to avoid the need to invent new error response formats for HTTP APIs. Note to Readers This draft should be discussed on the apps-discuss mailing list {[}1{]}.},
}