Cita APA (7a ed.)

BANGAY, R. D. (1914). The elementary Principles of Wireless Telegraphy. The Marconi Press Agency.

Cita Chicago Style (17a ed.)

BANGAY, R. D. The Elementary Principles of Wireless Telegraphy. London: The Marconi Press Agency, 1914.

Cita MLA (9a ed.)

BANGAY, R. D. The Elementary Principles of Wireless Telegraphy. The Marconi Press Agency, 1914.