\bib{Jones2004}{article}{
  author={Jones, David M.},
  title={User's Guide to the \textsf{amsrefs} Package},
  note={distributed with the \textsf{amsrefs} code}
}
\bib{SOS99}{book}{
  author={Swanson, Ellen},
  author={O'Sean, Arlene},
  author={Schleyer, Antoinette},
  title={Mathematics into Type},
  edition={updated},
  year={1999},
  publisher={American Mathematical Society},
}