APA (7th ed.) Citation

Kompfner, R. (1964). The invention of the travelling wave tube / by R. Kompfner. San Francisco Press.

Chicago Style (17th ed.) Citation

Kompfner, R. The Invention of the Travelling Wave Tube / by R. Kompfner. San Francisco Press, 1964.

MLA (9th ed.) Citation

Kompfner, R. The Invention of the Travelling Wave Tube / by R. Kompfner. San Francisco Press, 1964.

Warning: These citations may not always be 100% accurate.