APA (7th ed.) Citation

Ragheb, H., & unknown. (1997). Radiation from an open ended eccentric annular waveguide.

Chicago Style (17th ed.) Citation

Ragheb, H.A, and unknown. Radiation from an Open Ended Eccentric Annular Waveguide. 1997.

MLA (9th ed.) Citation

Ragheb, H.A, and unknown. Radiation from an Open Ended Eccentric Annular Waveguide. 1997.

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