APA (7th ed.) Citation

International Conference on Operational Research (9th : 1981 : Hamburg, Germany), International Federation of Operational Research Societies, & Brans, J. P. (1981). Operational research '81: Proceedings of the ninth IFORS International Conference on Operational Research, Hamburg, Germany, July 20-24, 1981. North-Holland Pub. Co.

Chicago Style (17th ed.) Citation

International Conference on Operational Research (9th : 1981 : Hamburg, Germany), International Federation of Operational Research Societies, and J. P. Brans. Operational Research '81: Proceedings of the Ninth IFORS International Conference on Operational Research, Hamburg, Germany, July 20-24, 1981. Amsterdam New York: North-Holland Pub. Co, 1981.

MLA (9th ed.) Citation

International Conference on Operational Research (9th : 1981 : Hamburg, Germany), et al. Operational Research '81: Proceedings of the Ninth IFORS International Conference on Operational Research, Hamburg, Germany, July 20-24, 1981. North-Holland Pub. Co, 1981.