Cita APA (7th ed.)

Villanueva, R. (2012). Critical habitat for Phl duck declared in Isabela. Philippine Star.

Cita Chicago (17th ed.)

Villanueva, Rhodina. "Critical Habitat for Phl Duck Declared in Isabela." Philippine Star 2012.

Cita MLA (9th ed.)

Villanueva, Rhodina. "Critical Habitat for Phl Duck Declared in Isabela." Philippine Star, 2012.