Cita APA (7a ed.)

Romulo, B. D. (2005). Natural gas: The energy for the future. Manila Bulletin.

Cita Chicago Style (17a ed.)

Romulo, Beth Day. "Natural Gas: The Energy for the Future." Manila Bulletin 2005.

Cita MLA (9a ed.)

Romulo, Beth Day. "Natural Gas: The Energy for the Future." Manila Bulletin, 2005.