APA (7th ed.) Citation

DUCKWORTH, W. (1968). Statistical techniques in technological research: An aid to research productivity. Methuen.

Chicago Style (17th ed.) Citation

DUCKWORTH, W.E. Statistical Techniques in Technological Research: An Aid to Research Productivity. London: Methuen, 1968.

MLA (9th ed.) Citation

DUCKWORTH, W.E. Statistical Techniques in Technological Research: An Aid to Research Productivity. Methuen, 1968.