APA (7th ed.) Citation

Barril, C. R., & Tumlos, E. T. Water quality trends and trophic state assessment of Laguna de Bay, Philippines.

Chicago Style (17th ed.) Citation

Barril, Carlito R., and Elvira T. Tumlos. Water Quality Trends and Trophic State Assessment of Laguna De Bay, Philippines.

MLA (9th ed.) Citation

Barril, Carlito R., and Elvira T. Tumlos. Water Quality Trends and Trophic State Assessment of Laguna De Bay, Philippines.

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