APA (7th ed.) Citation

Bangay, R. D. (1919). Oscillation valve: The elementary principles of its application to wireless telegraphy. Wireless Press.

Chicago Style (17th ed.) Citation

Bangay, R D. Oscillation Valve: The Elementary Principles of Its Application to Wireless Telegraphy. London: Wireless Press, 1919.

MLA (8th ed.) Citation

Bangay, R D. Oscillation Valve: The Elementary Principles of Its Application to Wireless Telegraphy. Wireless Press, 1919.