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I'm typesetting an article using PNAS' template for two-column articles: http://www.pnas.org/misc/PNASTWO.CLS

My problem is that if I include a figure or table:

\caption{my figure}

and reference my figure or table,

I now reference Figure \ref{fig:myfig}, a decent figure

the Figure number does not appear:

I now reference Figure , a decent figure

However, if I specify float placement with the


option, the number appears:

I now reference Figure 1, a decent figure

[tbh], [thbp] will not work, but all variants starting with [h] give float number, like [htb]. Pdflatex does not give any warnings when the float reference do not show, not even the normal ??.

The problem with using [h] is that the [h] figure placement is sub-optimal, making my article longer than the 6-page limit for PNAS.

The pnastwo.cls style file is behind this somehow, because when using a normal article style the reference numbers appear.

I'm not asking anyone to correct the pnas style file, but I would be glad if anyone has any ideas about what is happening here.

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closed as too localized by clemens, Stefan Kottwitz Dec 13 '12 at 21:03

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Very hard to tell since we do not know what pnastwo.cls is. Perhaps someone has done something not particularly clever. Try \caption{bla bla\label{fig}}, some journal styles does not comply to standard LaTeX –  daleif Dec 13 '12 at 11:47
Can you provide a complete minimal document showing the problem. When I try to put one together, I have no problems with numbering and references to the figures. –  Andrew Swann Dec 13 '12 at 11:51
daleif: Your suggestion worked! Putting the label within the caption solved the issue! Thanks! –  Jorgen Dec 13 '12 at 12:00
Sigh ........ :-) –  daleif Dec 13 '12 at 13:01
Worked for me with placing the \label after \caption{}, too... –  clemens Dec 13 '12 at 20:12