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 Citations can be made using the {\tt cite} command. You can have citations to a single \cite{Swe15}
 or multiple \cite{BKW+13,DWL02,Swe15} references.

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\begin{thebibliography}{99}

\bibitem{AD+14}
Greg Aloupis, Erik D Demaine, Alan Guo, and Giovanni Viglietta. Classic 
Nintendo Games are (Computationally) Hard.  In A.  Ferro, F.  Luccio, 
and P.  Widamayer, editors, {\em 7th International Conference on 
Fun with Algorithms}, number 8496 in Lecture Notes in Computer 
Science, pages 40–-51, Berlin, 2014.  Springer. 

\bibitem{Ark98}
R.  C.  Arkin. {\em Behavior-Based Robotics}.  The MIT Press, 
Cambridge, MA, 1998. 

\bibitem{BKW+13}
M.  Blokpoel, J.  Kwisthout, T.  P.  van der Weide, T.  Wareham, and 
I.  van Rooij.  A Computational-level Explanation of the Speed of Goal 
Inference. {\em Journal of Mathematical Psychology}, {\bf 57(3/4)}:117–-133, 
2013. 

\bibitem{DWL02}
P.  E.  Dunne, M.  Wooldridge, and M.  Laurence.  The computational 
complexity of boolean and stochastic agent design problems.  In 
{\em Proceedings of the First International Conference on Autonomous 
Agents and Multi-agent Systems (Part 2)}, pages 976–-983.  ACM Press, 
2002. 

\bibitem{MKS09}
Hausi A M\"{u}ller, Holger M Kienle, and Ulrike Stege. Autonomic 
computing: now you see it, now you dont.  In A.  De Lucia and 
F.  Ferrucci, editors, {\em Software Engineering}, pages 32-–54. 
Springer, 2009. 

\bibitem{Swe15}
M.  Sweers.  {\em Adapting the Adaptive Toolbox: The Computational 
Cost of Building Rational Behaviour}.  M.Sc.  thesis, Radboud 
University Nijmegen, 2015. 

\end{thebibliography}

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