Cita APA (7th ed.)

(1999). Twilight years: What it really means to be old. Manila Times.

Cita Chicago (17th ed.)

"Twilight Years: What It Really Means to Be Old." Manila Times 1999.

Cita MLA (9th ed.)

"Twilight Years: What It Really Means to Be Old." Manila Times, 1999.

Atenció: Aquestes cites poden no estar 100% correctes.