APA (7th ed.) Citation

Valencia, E., Manarang, V. H., & Colayco, A. B. (1970). Winning editorials. Philippine Collegian.

Chicago Style (17th ed.) Citation

Valencia, Ernesto, Victor H. Manarang, and Aloysius B. Colayco. "Winning Editorials." Philippine Collegian 1970.

MLA (9th ed.) Citation

Valencia, Ernesto, et al. "Winning Editorials." Philippine Collegian, 1970.