APA aipamena

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 aipamena

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 aipamena

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