APA Edition Citation

Ballard, M., & Mathias, P. (1971). Revolutions and steam engines: Age of progress. Methuen.

Chicago Edition Citation

Ballard, Martin, and Peter Mathias. Revolutions and Steam Engines: Age of Progress. London: Methuen, 1971.

MLA Edition Citation

Ballard, Martin, and Peter Mathias. Revolutions and Steam Engines: Age of Progress. Methuen, 1971.

Warning: These citations may not always be 100% accurate.