Steam engines;
a thorough and practical presentation of modern steam engine practice,
by Llewellyn V. Ludy.
APA Citation
Ludy, L. V., American Technical Society. (1917). Steam engines: a thorough and practical presentation of modern steam engine practice. Chicago: American technical society.
MLA Citation
Ludy, Llewellyn V., 1875-, and American Technical Society. Steam Engines: a Thorough And Practical Presentation of Modern Steam Engine Practice. Chicago: American technical society, 1917.
Warning: These citations may not always be complete (especially for serials).