2

I'm using the biblatex bibliography package and I need the references to be sorted first by name, and references with the same first author to be sorted then by ascending year. In my preamble, the biblatex package is set like this:

\documentclass{book}

\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage[autostyle=true]{csquotes}

\usepackage[backend=biber,style=authoryear,natbib=true,sorting=nyt]{biblatex}

\addbibresource{library.bib}

\begin{document}

Text \citep{Jinek2012}, and more text \citep{Jinek2013}.

\printbibliography[title=References]

\end{document}

While it may follow the nyt sorting scheme in some cases, it's overriden in others. In my library.bib, two of the problematic entries look like this:

@article{Jinek2013,
author = {Jinek, M. and Cheng, A. and Lin, S. and Ma, E. and Doudna, J. and 
East, A.},
journal = {eLIFE},
title = {{RNA-programmed genome editing in human cells}},
volume = {2},
year = {2013}
}

@article{Jinek2012,
author = {Jinek, M. and Chylinski, K. and Fonfara, I. and Hauer, M. and 
Doudna, J. and Charpentier, E.},
number = {6096},
pages = {816--821},
title = {{A programmable dual-RNA-guided DNA endonuclease in adaptive 
bacterial immunity}},
volume = {337},
year = {2012}
}

Yet the result is:

enter image description here

However, this problem does not seem to apply for all same-first author, different-year articles, like these ones:

enter image description here

Is there any way I could force all same-first author, different-year articles to be sorted ascendingly by year after author sorting?

Thanks in advance

  • Welcome to TeX.SX! By default biblatex sorts by all authors not just the first author, so what you see is kind of expected. – moewe Jun 4 '18 at 16:30
  • style=authoryear,citestyle=authoryear, is equivalent to style=authoryear and the style sets sorting=nyt automatically, so there is no need to specify it. – moewe Jun 4 '18 at 16:30
4

biblatex sorts by all authors and not just the first and so the sorting is expected.

You can restrict sorting to the first author by extracting it with RegExp and writing it to sortname.

\documentclass[british]{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{babel}
\usepackage{csquotes}

\usepackage[style=authoryear, backend=biber]{biblatex}

%\usepackage{filecontents}
\begin{filecontents}{\jobname.bib}
@article{Jinek2013,
author = {Jinek, M. and Cheng, A. and Lin, S. and Ma, E. and Doudna, J. and 
East, A.},
doi = {10.7554/eLife.00471.001},
journal = {eLIFE},
title = {{RNA-programmed genome editing in human cells}},
url = 
{https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3557905/pdf/elife00471.pdf 
http://elife.elifesciences.org/content/2/e00471},
volume = {2},
year = {2013}
}
@article{Jinek2012,
author = {Jinek, M. and Chylinski, K. and Fonfara, I. and Hauer, M. and 
Doudna, J. and Charpentier, E.},
doi = {10.1126/science.1225829},
isbn = {6212011575},
issn = {10959203},
journal = {Science},
number = {6096},
pages = {816--821},
title = {{A programmable dual-RNA-guided DNA endonuclease in adaptive 
bacterial immunity}},
volume = {337},
year = {2012}
}
\end{filecontents}

\addbibresource{\jobname.bib}
\addbibresource{biblatex-examples.bib}

\DeclareSourcemap{
  \maps[datatype=bibtex]{
    \map{
      \step[fieldsource=author, match=\regexp{(.*?)\s+and\s+}]
      \step[fieldset=sortname, fieldvalue={$1}]
    }
  }
}

\begin{document}
\cite{sigfridsson,Jinek2013,Jinek2012}
\printbibliography
\end{document}

enter image description here

  • You just solved a problem from my todo-list before I even started looking for a solution! – samcarter is at topanswers.xyz Jun 4 '18 at 16:56
  • @samcarter I'm wondering if there should be a 'proper' interface for that... – moewe Jun 4 '18 at 17:58
  • A proper interface would be very useful! This question comes up regularly on this site. Also while in this example the sorting is still understandable it gets really confusing if the difference in authors is hidden in et al. – samcarter is at topanswers.xyz Jun 4 '18 at 18:12
  • @samcarter github.com/plk/biblatex/issues/755 Feel free to add comments on the usefulness (personal experience/preference or style guides that expect this). – moewe Jun 4 '18 at 18:19

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