Cita APA (7th ed.)

De Vera-Ruiz, E. 196 nations back eco preservation. Manila Bulletin.

Cita Chicago (17th ed.)

De Vera-Ruiz, Ellalyn. "196 Nations Back Eco Preservation." Manila Bulletin .

Cita MLA (9th ed.)

De Vera-Ruiz, Ellalyn. "196 Nations Back Eco Preservation." Manila Bulletin, .