APA (7th ed.) Citation

Villanueva, R. O. (1998). Apat na dula. University of the Philippines Press.

Chicago Style (17th ed.) Citation

Villanueva, Rene O. Apat Na Dula. Quezon City: University of the Philippines Press, 1998.

MLA (9th ed.) Citation

Villanueva, Rene O. Apat Na Dula. University of the Philippines Press, 1998.