APA (7th ed.) Citation

Orr, W. I. (1970). Radio handbook: [by] William I. Orr (18th ed.). Editors and engineers.

Chicago Style (17th ed.) Citation

Orr, William Ittner. Radio Handbook: [by] William I. Orr. 18th ed. New Augusta, Ind.: Editors and engineers, 1970.

MLA (9th ed.) Citation

Orr, William Ittner. Radio Handbook: [by] William I. Orr. 18th ed. Editors and engineers, 1970.