APA (7th ed.) Citation

Zepler, E. E. (1943). The technique of radio design. Chapman & Hall.

Chicago Style (17th ed.) Citation

Zepler, E. E. The Technique of Radio Design. London,: Chapman & Hall, 1943.

MLA (8th ed.) Citation

Zepler, E. E. The Technique of Radio Design. Chapman & Hall, 1943.