APA (7th ed.) Citation

De Castro, J. M., & Ignacio, U. J. (1987). Aseismic design provisions of selected building codes. Philippine Engineering Journal.

Chicago Style (17th ed.) Citation

De Castro, Jose Ma, and Ulpiano Jr Ignacio. "Aseismic Design Provisions of Selected Building Codes." Philippine Engineering Journal 1987.

MLA (9th ed.) Citation

De Castro, Jose Ma, and Ulpiano Jr Ignacio. "Aseismic Design Provisions of Selected Building Codes." Philippine Engineering Journal, 1987.

Warning: These citations may not always be 100% accurate.