documentclass{beamer}
 usepackage{graphicx}
 usetheme{Boadilla}
 usepackage{caption}
 usepackage{subcaption}
 usepackage{biblatex}
 bibliography{foo}
 theoremstyle{definition}

 begin{document}

 begin{frame}
 frametitle{Problem Description}
 centerline{begin{minipage}{0.8textwidth}[c]
 Compute the intersection of n−1 half-planes for each site, and “merge” the      cells into the diagram\
 \
 Divide-and-conquercite{shamos1976geometric}\
 \
 Plane sweepcite{fortune1992voronoi}\
 \
 Randomized incremental constructioncite{guibas1992randomized}
 end{minipage}}
 printbibliography
 end{frame} %Pg8 Problem Question
 begin{frame}

 centeringtitlehuge{
 Thank You for Listening \

     vspace{10ex}

     Any Questions?}

     printbibliography

 end{frame} %Pg13 Questions?

 end{document}