APA (7th ed.) Citation

Frankort, F. J. M. (1975). Vibration and sound radiation of loudspeaker cones. Philips Research Laboratories.

Chicago Style (17th ed.) Citation

Frankort, F. J. M. Vibration and Sound Radiation of Loudspeaker Cones. [Eindhoven, Netherlands: Philips Research Laboratories, 1975.

MLA (8th ed.) Citation

Frankort, F. J. M. Vibration and Sound Radiation of Loudspeaker Cones. Philips Research Laboratories, 1975.