Citazione Stile APA (7a Edizione)

Coronel, L. V. (1997). Gun today, gone tomorrow. IN Commentary [column]. Philippine Daily Inquirer.

Citazione stile Chigago Style (17a edizione)

Coronel, Leandro V. "Gun Today, Gone Tomorrow. IN Commentary [column]." Philippine Daily Inquirer 1997.

Citatione MLA (9a ed.)

Coronel, Leandro V. "Gun Today, Gone Tomorrow. IN Commentary [column]." Philippine Daily Inquirer, 1997.