Cita APA (7th ed.)

Tan, R. L. (1998). When does a charitable donation become a tax deductible act?. IN Tax files [column]. Philippine Daily Inquirer.

Cita Chicago (17th ed.)

Tan, Roberto L. "When Does a Charitable Donation Become a Tax Deductible Act?. IN Tax Files [column]." Philippine Daily Inquirer 1998.

Cita MLA (9th ed.)

Tan, Roberto L. "When Does a Charitable Donation Become a Tax Deductible Act?. IN Tax Files [column]." Philippine Daily Inquirer, 1998.