Steam,
its generation and use.
APA Citation
Babcock & Wilcox Company. (1972). Steam: its generation and use. [38th ed.] New York [etc.].
MLA Citation
Babcock & Wilcox Company. Steam: Its Generation And Use. [38th ed.] New York [etc.], 1972.
Warning: These citations may not always be complete (especially for serials).