APA (7th ed.) Citation
Etherington, H., & Etherington, G. (1961). Modern furnace technology. Ch. Griffin.
Chicago Style (17th ed.) Citation
Etherington, H., and G. Etherington. Modern Furnace Technology. London: Ch. Griffin, 1961.
MLA (9th ed.) Citation
Etherington, H., and G. Etherington. Modern Furnace Technology. Ch. Griffin, 1961.
Warning: These citations may not always be 100% accurate.