APA (7th ed.) Citation

Rolt, L. T. C., & Allen, J. S. (1977). The steam engine of Thomas Newcomen. Moorland Pub. Co. ; Science History Publications.

Chicago Style (17th ed.) Citation

Rolt, L. T. C., and J. S. Allen. The Steam Engine of Thomas Newcomen. Hartington, Eng. : New York: Moorland Pub. Co. ; Science History Publications, 1977.

MLA (9th ed.) Citation

Rolt, L. T. C., and J. S. Allen. The Steam Engine of Thomas Newcomen. Moorland Pub. Co. ; Science History Publications, 1977.