Citazione Stile APA (7a Edizione)

Castillo, G. T. (2009). Growing old gracefully, not grudginly. IN Educators speak [column]. Manila Bulletin.

Citazione stile Chigago Style (17a edizione)

Castillo, Gelia T. "Growing Old Gracefully, Not Grudginly. IN Educators Speak [column]." Manila Bulletin 2009.

Citatione MLA (9a ed.)

Castillo, Gelia T. "Growing Old Gracefully, Not Grudginly. IN Educators Speak [column]." Manila Bulletin, 2009.