Linstone, H. A., Simmonds, W. H. C., & Bäckstrand, G. (1977). Futures research: New directions. Addison-Wesley Pub. Co., Advanced Book Program.
Style de citation Chicago (17e éd.)Linstone, Harold A., Walter Henry Clive Simmonds, et Göran Bäckstrand. Futures Research: New Directions. Reading, Mass.: Addison-Wesley Pub. Co., Advanced Book Program, 1977.
Style de citation MLA (9e éd.)Linstone, Harold A., et al. Futures Research: New Directions. Addison-Wesley Pub. Co., Advanced Book Program, 1977.
Attention : ces citations peuvent ne pas être correctes à 100%.