I want to eliminate the gap between the reference text (such as 'First reference', 'Second reference' in the example below) and the reference super-scripted numbering (such as 1 and 2 in the example below). Please suggest an edit.

 Citing here \cite{AB} in the text.
        First reference.
        Second reference.

The output of the code is:

Code output with the gap problem between reference numbering and text.

1 Answer 1


Type the following in the preamble:



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