APA ציטוט

Pérgolis, J. C., & Rodríguez Ibarra, C. I. (2013). The spirit of time in cities and their books. Universidad Católica de Colombia.

Chicago Style Citation

Pérgolis, Juan Carlos, and Clara Inés Rodríguez Ibarra. The Spirit of Time in Cities and Their Books. Universidad Católica de Colombia, 2013.

ציטוט MLA

Pérgolis, Juan Carlos, and Clara Inés Rodríguez Ibarra. The Spirit of Time in Cities and Their Books. Universidad Católica de Colombia, 2013.