Conference on Integer Programming and Combinatorial Optimization, Cornuejols, G., Burkard, R. E., & Woeginger, G. (1999). Integer programming and combinatorial optimization: 7th International IPCO Conference, Graz, Austria, June 9-11, 1999 : proceedings. Springer.
Chicago Style (17th ed.) CitationConference on Integer Programming and Combinatorial Optimization, Gerard Cornuejols, Rainer E. Burkard, and Gerhard Woeginger. Integer Programming and Combinatorial Optimization: 7th International IPCO Conference, Graz, Austria, June 9-11, 1999 : Proceedings. Berlin ; New York: Springer, 1999.
MLA (9th ed.) CitationConference on Integer Programming and Combinatorial Optimization, et al. Integer Programming and Combinatorial Optimization: 7th International IPCO Conference, Graz, Austria, June 9-11, 1999 : Proceedings. Springer, 1999.