Cita APA (7th ed.)

Calumpita, R. E. (2006). Cayetano hits mining firms destroying biodiversity. Manila Times.

Cita Chicago (17th ed.)

Calumpita, Ronnie E. "Cayetano Hits Mining Firms Destroying Biodiversity." Manila Times 2006.

Cita MLA (9th ed.)

Calumpita, Ronnie E. "Cayetano Hits Mining Firms Destroying Biodiversity." Manila Times, 2006.