APA (7th ed.) Citation

Ocampo, A. R. (1999). Piloncitos: Filipinos earliest known currency. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Ocampo, Ambeth R. "Piloncitos: Filipinos Earliest Known Currency." Philippine Daily Inquirer 1999.

MLA (9th ed.) Citation

Ocampo, Ambeth R. "Piloncitos: Filipinos Earliest Known Currency." Philippine Daily Inquirer, 1999.

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