APA (7th ed.) Citation

Regis, R. (1994). Understanding crystal power (Rev ed.). Interself Foundation.

Chicago Style (17th ed.) Citation

Regis, Riza. Understanding Crystal Power. Rev ed. Malate, Manila: Interself Foundation, 1994.

MLA (9th ed.) Citation

Regis, Riza. Understanding Crystal Power. Rev ed. Interself Foundation, 1994.