Aguero-Valverde, J., & Guadamuz-Flores, R. (2020). Railway crossings with promise of safety improvement in Costa Rica.
Citación estilo ChicagoAguero-Valverde, Jonathan, y Renato Guadamuz-Flores. Railway Crossings With Promise of Safety Improvement in Costa Rica. 2020.
MLA引文Aguero-Valverde, Jonathan, y Renato Guadamuz-Flores. Railway Crossings With Promise of Safety Improvement in Costa Rica. 2020.
警告：这些引文格式不一定是100％准确.