APA (7th ed.) Citation

Jacob, H. (2018). China's signal jamming device. IN Letters [column]. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Jacob, Hector. "China's Signal Jamming Device. IN Letters [column]." Philippine Daily Inquirer 2018.

MLA (9th ed.) Citation

Jacob, Hector. "China's Signal Jamming Device. IN Letters [column]." Philippine Daily Inquirer, 2018.

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