Cita APA

Pytel, C., Yurek, J., & Marshall, K. (2007). Pro Active Record: Databases with Ruby and Rails (1st ed. 2007.). Berkeley, CA: Apress : Imprint: Apress.

Citación estilo Chicago

Pytel, Chad., Jonathan Yurek, y Kevin Marshall. Pro Active Record: Databases With Ruby and Rails. 1st ed. 2007. Berkeley, CA: Apress : Imprint: Apress, 2007.

Cita MLA

Pytel, Chad., Jonathan Yurek, y Kevin Marshall. Pro Active Record: Databases With Ruby and Rails. 1st ed. 2007. Berkeley, CA: Apress : Imprint: Apress, 2007.