APA (7th ed.) Citation

Watkins, G., & Woolrich, A. P. (2006). Stationary steam engine makers. Landmark.

Chicago Style (17th ed.) Citation

Watkins, George, and A. P. Woolrich. Stationary Steam Engine Makers. Ashbourne: Landmark, 2006.

MLA (9th ed.) Citation

Watkins, George, and A. P. Woolrich. Stationary Steam Engine Makers. Landmark, 2006.

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