Segura, M., Castillo, Á., Alvarado, A., & Blanco, F. (2005). Nutrient extraction by Alnus acuminata plantations at the Virilla river watershed, Costa Rica.
Citación estilo ChicagoSegura, Manuel, Álvaro Castillo, Alfredo Alvarado, y Fabio Blanco. Nutrient Extraction By Alnus Acuminata Plantations At the Virilla River Watershed, Costa Rica. 2005.
MLA引文Segura, Manuel, Álvaro Castillo, Alfredo Alvarado, y Fabio Blanco. Nutrient Extraction By Alnus Acuminata Plantations At the Virilla River Watershed, Costa Rica. 2005.
警告：这些引文格式不一定是100％准确.