First of all, if I fail to provide the sufficient information for helping me, I am sorry for it. I do not ask questions here often.

I know this is a widely discussed matter, but I have tried to search the answer to my problem and I simply cannot find it.

The problem: I cannot print my bibliography with the \printbibliography command at the end of my document.

The difference between my problem and what I see in every other question is that there is [any number] instead of the bold citation key. For example, if the citation key is Williams2016, and this is my first citation, what I see is [1] and not Williams2016, which tells me that the citations are read correctly.

I believe that it might have something to do with the \input command. I am writing different chapters in different .tex files and using \input to place everything in the same document. I have the same bibliography code for another document where I did not place chapters in separate files and it works fine.

Can anyone help me out?

My document is as follows (what I believe is the relevant part). I'm using the MastersDoctoralThesis template available here https://www.latextemplates.com/template/masters-doctoral-thesis


\usepackage[backend=bibtex,style=numeric,sorting=none]{biblatex} % Use the bibtex backend with the authoryear citation style (which resembles APA)
\bibliography{C:/Users/berna/Documents/Bibtex/Thesis.bib} % The filename of the bibliography



  • 1
    did you run the external program biber for the bibliography? – user2478 Sep 3 '17 at 17:22
  • 1
    I take it the files Introduction.tex and Methods.tex contain one or more \cite instructions -- is this the case? Moreover, since you've specified the option backend=bibtex, have you run BibTeX, followed by two more LaTeX runs? – Mico Sep 3 '17 at 17:27
  • 2
    What happens if you move the \printbibliography directly behind \begin{document}? – Ulrike Fischer Sep 3 '17 at 17:37
  • 2
    Do you happen to have an \end{document} in Methods.tex? – Torbjørn T. Sep 3 '17 at 19:40
  • Do you get any errors or warnings in the .log or.blg files (the .blg is a simple text file even though Windows might report it to be a 'performance monitor report', you can open it just like any plain text file). If you write stuff after \printbibliography is that shown? How exactly does \printbibliography not work? Do you get no output at all, an empty page, at least the heading, ...? – moewe Sep 3 '17 at 20:08

Thanks to TorbjørnT. I was able to solve the issue. The problem was that I added a \end{document} in the end of my Methods.tex file.

Naturally, this was causing the document to end earlier than required, and the command \printbibliography wasn't being read.

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