APA (7th ed.) Citation

Hellard, R. B., & Connolly, J. V. (1971). Metric change: A management action plan. Kogan Page.

Chicago Style (17th ed.) Citation

Hellard, R. Baden, and J. V. Connolly. Metric Change: A Management Action Plan. London: Kogan Page, 1971.

MLA (9th ed.) Citation

Hellard, R. Baden, and J. V. Connolly. Metric Change: A Management Action Plan. Kogan Page, 1971.