The elementary theory of direct current dynamo electric machinery,
by C. E. Ashford and E. W. E. Kempson.
APA Citation
Ashford, C. Ernest., Kempson, E. William Edward. (1908). The elementary theory of direct current dynamo electric machinery. Cambridge: The University Press.
MLA Citation
Ashford, Cyril Ernest, Sir, 1867-, and Eric William Edward Kempson. The Elementary Theory of Direct Current Dynamo Electric Machinery. Cambridge: The University Press, 1908.
Warning: These citations may not always be complete (especially for serials).