APA (7th ed.) Citation

Lewis, G. E. H. (1949). Factory steam plant : a practical guide to fuel economy / by G.E.H. Lewis: A practical guide to fuel economy. Pitman.

Chicago Style (17th ed.) Citation

Lewis, G. E. H. Factory Steam Plant : A Practical Guide to Fuel Economy / by G.E.H. Lewis: A Practical Guide to Fuel Economy. Pitman, 1949.

MLA (9th ed.) Citation

Lewis, G. E. H. Factory Steam Plant : A Practical Guide to Fuel Economy / by G.E.H. Lewis: A Practical Guide to Fuel Economy. Pitman, 1949.

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