Principles of electricity and electromagnetism /
by Gaylord P. Harnwell.

APA Citation

Harnwell, G. P. (Gaylord Probasco). (1938). Principles of electricity and electromagnetism. New York: McGraw-Hill book company, inc..

MLA Citation

Harnwell, G. P. (Gaylord Probasco), 1903-1982. Principles of Electricity And Electromagnetism. New York: McGraw-Hill book company, inc., 1938.

Warning: These citations may not always be complete (especially for serials).