Pérgolis, J. C., & Rodríguez Ibarra, C. I. (2013). The spirit of time in cities and their books. Universidad Católica de Colombia.
Chicago Style CitationPérgolis, Juan Carlos, and Clara Inés Rodríguez Ibarra. The Spirit of Time in Cities and Their Books. Universidad Católica de Colombia, 2013.
MLA引文Pérgolis, Juan Carlos, and Clara Inés Rodríguez Ibarra. The Spirit of Time in Cities and Their Books. Universidad Católica de Colombia, 2013.
警告：这些引文格式不一定是100％准确.