APA (7. basım) Alıntı

Villasana, B. G. (2012). Pinatubo: Day turned into night. Manila Bulletin.

Chicago Style (17. basım) Atıf

Villasana, Bryan G. "Pinatubo: Day Turned into Night." Manila Bulletin 2012.

MLA (9th ed.) Atıf

Villasana, Bryan G. "Pinatubo: Day Turned into Night." Manila Bulletin, 2012.