APA (7th ed.) Citation

Duncan, R. L. (1931). Foundations of radio. J. Wiley; Chapman & Hall.

Chicago Style (17th ed.) Citation

Duncan, Rudolph L. Foundations of Radio. New York : London: J. Wiley; Chapman & Hall, 1931.

MLA (9th ed.) Citation

Duncan, Rudolph L. Foundations of Radio. J. Wiley; Chapman & Hall, 1931.