Cita APA (7th ed.)

Castillo, R. (2013). Melatonin, aging and cancer. IN Medical files [column]. Philippine Daily Inquirer.

Cita Chicago (17th ed.)

Castillo, Rafael. "Melatonin, Aging and Cancer. IN Medical Files [column]." Philippine Daily Inquirer 2013.

Cita MLA (9th ed.)

Castillo, Rafael. "Melatonin, Aging and Cancer. IN Medical Files [column]." Philippine Daily Inquirer, 2013.