Citazione Stile APA (7a Edizione)

De Castro, E. (2017). Over-extended pawn. IN Let's Play CHESS [column]. Philippine Star.

Citazione stile Chigago Style (17a edizione)

De Castro, Edgar. "Over-extended Pawn. IN Let's Play CHESS [column]." Philippine Star 2017.

Citatione MLA (9a ed.)

De Castro, Edgar. "Over-extended Pawn. IN Let's Play CHESS [column]." Philippine Star, 2017.