APA (7th ed.) Citation

Orr, W. I. (1972). Radio handbook. Marcombo.

Chicago Style (17th ed.) Citation

Orr, William I. Radio Handbook. Barcelona: Marcombo, 1972.

MLA (9th ed.) Citation

Orr, William I. Radio Handbook. Marcombo, 1972.

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