APA (7th ed.) Citation

Research Group for Technological Forecasting (Karlsruhe), Blohm, H., & Steinbuch, K. (1973). Technological forecasting in practice. Saxon House.

Chicago Style (17th ed.) Citation

Research Group for Technological Forecasting (Karlsruhe), Hans Blohm, and Karl Steinbuch. Technological Forecasting in Practice. Farnborough, England: Saxon House, 1973.

MLA (9th ed.) Citation

Research Group for Technological Forecasting (Karlsruhe), et al. Technological Forecasting in Practice. Saxon House, 1973.