APA (7th ed.) Citation

Orr, W. I., & Cowan, S. D. (1976). Better shortwave reception (4. ed.). Radio Publ.

Chicago Style (17th ed.) Citation

Orr, William I., and Stuart D. Cowan. Better Shortwave Reception. 4. ed. Wilton, Conn: Radio Publ, 1976.

MLA (9th ed.) Citation

Orr, William I., and Stuart D. Cowan. Better Shortwave Reception. 4. ed. Radio Publ, 1976.