At the end of the document add the following:

\bibliographystyle{style}

\bibliography{file location}

Create a file with extension .bib and save the citation as follows:

@inproceedings{citation_name,
  title={Paper Title},
  author={List Authors},
  pages={45--48},
  year={2013},
  organization={organization name}
}

To cite use the following: \citet{citation_name}