APA (7th ed.) Citation

(1970). Transmitting tubes for communication: Tetrodes and pentodes : associated accessories ([1st ed.].). Philips.

Chicago Style (17th ed.) Citation

Transmitting Tubes for Communication: Tetrodes and Pentodes : Associated Accessories. [1st ed.]. [S.l.]: Philips, 1970.

MLA (9th ed.) Citation

Transmitting Tubes for Communication: Tetrodes and Pentodes : Associated Accessories. [1st ed.]. Philips, 1970.