APA (7th ed.) Citation

Ghirardi, A. A. (1932). Radio physics course: An elementary text book on electricity and radio (2d ed.). Radio technical publishing co..

Chicago Style (17th ed.) Citation

Ghirardi, Alfred A. Radio Physics Course: An Elementary Text Book on Electricity and Radio. 2d ed. New York, city: Radio technical publishing co., 1932.

MLA (9th ed.) Citation

Ghirardi, Alfred A. Radio Physics Course: An Elementary Text Book on Electricity and Radio. 2d ed. Radio technical publishing co., 1932.