APA (7th ed.) Citation

Abdul Razak, K. A., & Shahidan, A. (2003). Ultrasonic pest repeller / Khairul Anwar Abdul Razak and Azhar Shahidan.

Chicago Style (17th ed.) Citation

Abdul Razak, Khairul Anwar, and Azhar Shahidan. Ultrasonic Pest Repeller / Khairul Anwar Abdul Razak and Azhar Shahidan. 2003.

MLA (9th ed.) Citation

Abdul Razak, Khairul Anwar, and Azhar Shahidan. Ultrasonic Pest Repeller / Khairul Anwar Abdul Razak and Azhar Shahidan. 2003.

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