APA (7th ed.) Citation

(1972). Gas fired muffle furnaces. Heinemann Educational Books Ltd..

Chicago Style (17th ed.) Citation

Gas Fired Muffle Furnaces. London: Heinemann Educational Books Ltd., 1972.

MLA (9th ed.) Citation

Gas Fired Muffle Furnaces. Heinemann Educational Books Ltd., 1972.

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