Earl, V. (1968). Technological forecasting / by V. Earl. Economist.
Chicago Style (17th ed.) CitationEarl, V. Technological Forecasting / by V. Earl. Economist, 1968.
MLA (9th ed.) CitationEarl, V. Technological Forecasting / by V. Earl. Economist, 1968.
Warning: These citations may not always be 100% accurate.