Cita APA (7th ed.)

Langford-Smith, F. (1952). Radiotron designer's handbook (4a. ed.). Amalgamated Wireless Valve.

Cita Chicago (17th ed.)

Langford-Smith, F. Radiotron Designer's Handbook. 4a. ed. Sydney: Amalgamated Wireless Valve, 1952.

Cita MLA (9th ed.)

Langford-Smith, F. Radiotron Designer's Handbook. 4a. ed. Amalgamated Wireless Valve, 1952.