APA (7th ed.) Citation

Antonio, T. (1997). Duty-free shops illegal? Manila Bulletin.

Chicago Style (17th ed.) Citation

Antonio, Tony. "Duty-free Shops Illegal?" Manila Bulletin 1997.

MLA (9th ed.) Citation

Antonio, Tony. "Duty-free Shops Illegal?" Manila Bulletin, 1997.

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