APA (7th ed.) Citation

Peralta, G. L., Ballesteros, F. C. J., & Cepeda, M. L. (1992). Immobilization techniques for toxic sludge. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

Peralta, Genandrialine L., Feliciano C. Jr Ballesteros, and Marivie L. Cepeda. "Immobilization Techniques for Toxic Sludge." Philippine Engineering Journal 1992.

MLA (9th ed.) Citation

Peralta, Genandrialine L., et al. "Immobilization Techniques for Toxic Sludge." Philippine Engineering Journal, 1992.