Delos Santos, F. R. (1991). Philvocs man, doctor enter Pinatubo crater / Felix R. Delos Santos. Philippine Star.
Chicago Style (17th ed.) CitationDelos Santos, Felix R. "Philvocs Man, Doctor Enter Pinatubo Crater / Felix R. Delos Santos." Philippine Star 1991.
MLA (9th ed.) CitationDelos Santos, Felix R. "Philvocs Man, Doctor Enter Pinatubo Crater / Felix R. Delos Santos." Philippine Star, 1991.
Warning: These citations may not always be 100% accurate.