APA (7th ed.) Citation

Manalili, E. V., Calpe, A. T., & Darvin, L. C. (1997). Groundwater resources utilization and management in the Philippines. PCAMRD.

Chicago Style (17th ed.) Citation

Manalili, Eduardo V., Adelaida T. Calpe, and Loureeda C. Darvin. Groundwater Resources Utilization and Management in the Philippines. Los Banos, Laguna: PCAMRD, 1997.

MLA (9th ed.) Citation

Manalili, Eduardo V., et al. Groundwater Resources Utilization and Management in the Philippines. PCAMRD, 1997.