Παραπομπή σε μορφή APA (7η εκδ.)

Butterfield, T. E. (1929). Steam and gas engineering: A text covering power generating apparatus utilizing energy released by the combustion of fuels. D. Van Nostrand co.; inc..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Butterfield, Thomas Edward. Steam and Gas Engineering: A Text Covering Power Generating Apparatus Utilizing Energy Released by the Combustion of Fuels. New York: D. Van Nostrand co.; inc., 1929.

Παραπομπή σε μορφή MLA (8th εκδ.)

Butterfield, Thomas Edward. Steam and Gas Engineering: A Text Covering Power Generating Apparatus Utilizing Energy Released by the Combustion of Fuels. D. Van Nostrand co.; inc., 1929.