APA Edition Citation

Harnwelll, G. P. (1949). Principles of electricity and electromagnetism (2nd ed.).

Chicago Edition Citation

Harnwelll, Gaylord P. Principles of Electricity and Electromagnetism. 2nd ed. 1949.

MLA Edition Citation

Harnwelll, Gaylord P. Principles of Electricity and Electromagnetism. 2nd ed. 1949.

Warning: These citations may not always be 100% accurate.