APA-viite

Ballard, M., & Mathias, P. (1971). Revolutions and steam engines 1775 - 1815. Methuen.

Chicago-tyylinen lähdeviittaus

Ballard, Martin, ja Peter Mathias. Revolutions and Steam Engines 1775 - 1815. London: Methuen, 1971.

MLA-viite

Ballard, Martin, ja Peter Mathias. Revolutions and Steam Engines 1775 - 1815. Methuen, 1971.