Cita APA (7a ed.)

Freeman, C., Sharp, M., & Walker, W. (1991). Technology and the future of Europe: Global competition and the environment in the 1990s. Pinter.

Cita Chicago Style (17a ed.)

Freeman, Christopher, Margaret Sharp, y William Walker. Technology and the Future of Europe: Global Competition and the Environment in the 1990s. London [etc.]: Pinter, 1991.

Cita MLA (9a ed.)

Freeman, Christopher, et al. Technology and the Future of Europe: Global Competition and the Environment in the 1990s. Pinter, 1991.