APA引文

Vargas, A. G., & Kussmaul, S. (2015). Considerations about the first book of thermal springs in Costa Rica.

Citación estilo Chicago

Vargas, Asdrúbal G., y Siegfried Kussmaul. Considerations About the First Book of Thermal Springs in Costa Rica. 2015.

MLA引文

Vargas, Asdrúbal G., y Siegfried Kussmaul. Considerations About the First Book of Thermal Springs in Costa Rica. 2015.

警告：這些引文格式不一定是100％准確.