Duncan, R. L., & Drew, C. E. (1931). Radio telegraphy and telephony: A complete textbook for students of wireless communication (2d ed.). J. Wiley; Chapman & Hall.
Chicago Style (17th ed.) CitationDuncan, Rudolph Lewis, and Charles Edward Drew. Radio Telegraphy and Telephony: A Complete Textbook for Students of Wireless Communication. 2d ed. New York : London: J. Wiley; Chapman & Hall, 1931.
MLA (9th ed.) CitationDuncan, Rudolph Lewis, and Charles Edward Drew. Radio Telegraphy and Telephony: A Complete Textbook for Students of Wireless Communication. 2d ed. J. Wiley; Chapman & Hall, 1931.
Warning: These citations may not always be 100% accurate.