Cita APA (7a ed.)

Estupigan, R. (1997). Secrets of effective study habits. Manila Bulletin.

Cita Chicago Style (17a ed.)

Estupigan, Ruth. "Secrets of Effective Study Habits." Manila Bulletin 1997.

Cita MLA (9a ed.)

Estupigan, Ruth. "Secrets of Effective Study Habits." Manila Bulletin, 1997.