Style de citation APA (7e éd.)

Villanueva, R., & Crisostomo, I. (1991). Opposites: Alam ni Kris ang magkabaligtad (3rd printing, 1996.). Anvil Publishing.

Style de citation Chicago (17e éd.)

Villanueva, Rene, et Ibarra Crisostomo. Opposites: Alam Ni Kris Ang Magkabaligtad. 3rd printing, 1996. Pasig City, Philippines: Anvil Publishing, 1991.

Style de citation MLA (9e éd.)

Villanueva, Rene, et Ibarra Crisostomo. Opposites: Alam Ni Kris Ang Magkabaligtad. 3rd printing, 1996. Anvil Publishing, 1991.