APA (7th ed.) Citation

Hawwa, M., & unknown. (2005). Ultrasonic wave transmission in periodically undulated plates.

Chicago Style (17th ed.) Citation

Hawwa, M.A, and unknown. Ultrasonic Wave Transmission in Periodically Undulated Plates. 2005.

MLA (9th ed.) Citation

Hawwa, M.A, and unknown. Ultrasonic Wave Transmission in Periodically Undulated Plates. 2005.

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