APA引文

Araya-Ulloa, A., & Calvo-Brenes, G. (2017). Ecological vulnerability and water quality diagnosis of the stream La Central, Pacayas de Alvarado, Costa Rica.

Citación estilo Chicago

Araya-Ulloa, Andrea, y Guillermo Calvo-Brenes. Ecological Vulnerability and Water Quality Diagnosis of the Stream La Central, Pacayas De Alvarado, Costa Rica. 2017.

MLA引文

Araya-Ulloa, Andrea, y Guillermo Calvo-Brenes. Ecological Vulnerability and Water Quality Diagnosis of the Stream La Central, Pacayas De Alvarado, Costa Rica. 2017.

警告：這些引文格式不一定是100％准確.