APA (7th ed.) Citation

Harnwell, G. P. (1949). Principles of electricity and electromagnetism. McGraw-Hill Book.

Chicago Style (17th ed.) Citation

Harnwell, Gaylord P. Principles of Electricity and Electromagnetism. New York: McGraw-Hill Book, 1949.

MLA (9th ed.) Citation

Harnwell, Gaylord P. Principles of Electricity and Electromagnetism. McGraw-Hill Book, 1949.