amsrefs is included on TeX Live and other distributions from 2009 or later. If you don't have such a distribution installed, use the following instructions.
Download amsrefs version 2.14 (amsrefs.zip)
This archive will unpack into an existing TEXMF structure, in most cases providing a ready-to-use installation.
amsrefs is an extension package for LaTeX that has the following features: