I'm doing a presentation in latex. I have included the references using bibtex, however, the references appear as images and not numbers:

Main code:


\tikzstyle{block}=[draw opacity=0.7,line width=1.4cm]

\title{My Presentation} 









enter image description here

Does anyone knows why the reference is not appearing as a number?

My bib entry is:

 author               = {Guide},
 howpublished         = {Guide},
 title                = {The Guide},
 year                 = {2014},
  • 1
    what does your .bib entry look like? Aug 23, 2014 at 19:11

1 Answer 1


You need to place

\setbeamertemplate{bibliography item}[text]

before \bibliographystyle.

The purpose of these icons, quoted from the beamer documentation:

Unlike normal LaTeX, the default template for the bibliography does not repeat the citation text (like “[Dijkstra, 1982]”) before each item in the bibliography. Instead, a cute, small article symbol is drawn. The rationale is that the audience will not be able to remember any abbreviated citation texts till the end of the talk.

There's a nice overview of the different icons at another question.

  • It should be \setbeamertemplate{bibliography item}{text} instead of \setbeamertemplate{bibliography item}[text]. With curly brackets. See also this answer
    – user1
    Sep 8, 2019 at 11:02
  • 1
    @Ben [text] is a predefined option (see the "overview of different icons" link I referenced). The Beamer template command is defined as: \setbeamertemplate{⟨element name⟩}[⟨predefined option⟩]⟨args⟩ (see user manual, section "16.3.3 Setting Beamer’s Templates"). With squared brackets, you'll use a predefined option, with curly brackets, i.e. the args, you set the text for the element.
    – Dominik
    Sep 9, 2019 at 11:01

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