APA (7th ed.) Citation

Caldez, E. (1998). Caving at Callao. Philippine Daily Inquirer.

Chicago Style (17th ed.) Citation

Caldez, Estanislao. "Caving at Callao." Philippine Daily Inquirer 1998.

MLA (9th ed.) Citation

Caldez, Estanislao. "Caving at Callao." Philippine Daily Inquirer, 1998.

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