APA (7th ed.) Citation

(1920). One-register furnaces (pipeless furnaces). GPO.

Chicago Style (17th ed.) Citation

One-register Furnaces (pipeless Furnaces). [Washington]: GPO, 1920.

MLA (9th ed.) Citation

One-register Furnaces (pipeless Furnaces). GPO, 1920.

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