APA (7th ed.) Citation

Chua, Q. N. L. (2007). Join the Philippine Math Olympiad. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Chua, Queena N. Lee. "Join the Philippine Math Olympiad." Philippine Daily Inquirer 2007.

MLA (9th ed.) Citation

Chua, Queena N. Lee. "Join the Philippine Math Olympiad." Philippine Daily Inquirer, 2007.

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