Cita APA (7th ed.)

Barfield, C. E., & Smith, B. L. R. (1996). Technology, R&D, and the economy. Brookings Institution.

Cita Chicago (17th ed.)

Barfield, Claude E., i Bruce L. R. Smith. Technology, R&D, and the Economy. Washington, D.C: Brookings Institution, 1996.

Cita MLA (9th ed.)

Barfield, Claude E., i Bruce L. R. Smith. Technology, R&D, and the Economy. Brookings Institution, 1996.