APA (7th ed.) Citation

Hempell, T. (2006). Computers and productivity: How firms make a general purpose technology work. Physica-Verlag ; ZEW. https://doi.org/10.1007/3-7908-1648-5

Chicago Style (17th ed.) Citation

Hempell, Thomas. Computers and Productivity: How Firms Make a General Purpose Technology Work. New York : Mannheim, Germany: Physica-Verlag ; ZEW, 2006. https://doi.org/10.1007/3-7908-1648-5.

MLA (9th ed.) Citation

Hempell, Thomas. Computers and Productivity: How Firms Make a General Purpose Technology Work. Physica-Verlag ; ZEW, 2006. https://doi.org/10.1007/3-7908-1648-5.