APA (7th ed.) Citation

Clarito, A. F., Ramos, B. M. D., & Sigua, R. G. Study on safety of Philippine National Railways grade crossing.

Chicago Style (17th ed.) Citation

Clarito, Albie F., Beverly May D. Ramos, and Ricardo G. Sigua. Study on Safety of Philippine National Railways Grade Crossing.

MLA (9th ed.) Citation

Clarito, Albie F., et al. Study on Safety of Philippine National Railways Grade Crossing.