APA (7th ed.) Citation

Asio, V. B., Demain, K. L. B., Olguera, D. T., & Villasica, L. J. D. (2015). Characteristics and nutrient status of two degraded upland soils in Samar, Philippines. Annals of Tropical Research.

Chicago Style (17th ed.) Citation

Asio, Victor B., Kier Lambert B. Demain, Dernie T. Olguera, and Leo Jude D. Villasica. "Characteristics and Nutrient Status of Two Degraded Upland Soils in Samar, Philippines." Annals of Tropical Research 2015.

MLA (9th ed.) Citation

Asio, Victor B., et al. "Characteristics and Nutrient Status of Two Degraded Upland Soils in Samar, Philippines." Annals of Tropical Research, 2015.