APA (7th ed.) Citation

(1956). U.H.F. tubes for communication and measuring equipment. Philips Gloeilampenfabrieken.

Chicago Style (17th ed.) Citation

U.H.F. Tubes for Communication and Measuring Equipment. Eindhoven (Holland): Philips Gloeilampenfabrieken, 1956.

MLA (9th ed.) Citation

U.H.F. Tubes for Communication and Measuring Equipment. Philips Gloeilampenfabrieken, 1956.