I am trying to use natbib in my bibtex file with plainnat style. However, I experience a number of issues (however works fine in e.g. Sharelatex). Depending on my code i get the error: Package natbib Error: Bibliography not compatible with author-year citations.

%%%%%%%%%%%%MATH specifications%%%%%%%%%%%%%%%%%
\usepackage{amsmath}%mathematical typesetting
\usepackage{mathptmx}%setter språk og matte til times roman.
\usepackage{setspace}%set line spacing
\usepackage[top=2cm, bottom=2cm, left=5cm, right=2cm]{geometry}
\setlength\parindent{0pt} %fjerner innrykk i avsnitt
\newcommand{\Expect}{{\rm I\kern-.3em E}}
%also tried \usepackage[round,year,sort&compress]{natbib}


%here i have my thesis

\begin{doublespacing}   % Double-space the bibliography

I have tried every possible solution suggested out there, not able to make it work any how... E.g if i delete the aux and bbl file i get: ! Misplaced alignment tab character &. and so on...

  • Please help us to help you and add a minimal working example (MWE) that illustrates your problem. It will be much easier for us to reproduce your situation and find out what the issue is when we see compilable code, starting with \documentclass{...} and ending with \end{document}.
    – lockstep
    Mar 20, 2014 at 12:13

1 Answer 1


Problem solved. It seems like Natbib did not support some of the bibtex references from jstor. By re-entering them all using BibDesk I had no errors and was free to use any style I wanted. Thanks

  • It's not clear what you mean by "natbib [rather: the plainnat style?] did not support some of the bibtex references from jstor". You didn't show any of the bibliographic entries that were giving plainnat problems.
    – Mico
    Mar 21, 2014 at 22:57

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