APA (7th ed.) Citation

Castillo, W. (1994). "Formal protest" set vs. Posadas memo. Philippine Collegian.

Chicago Style (17th ed.) Citation

Castillo, Warren. ""Formal Protest" Set Vs. Posadas Memo." Philippine Collegian 1994.

MLA (9th ed.) Citation

Castillo, Warren. ""Formal Protest" Set Vs. Posadas Memo." Philippine Collegian, 1994.

Warning: These citations may not always be 100% accurate.