APA (7th ed.) Citation

Marshall, K., Pytel, C., & Yurek, J. (2007). Pro Active record: Databases with Ruby and Rails. Apress. https://doi.org/10.1007/978-1-4302-0269-1

Chicago Style (17th ed.) Citation

Marshall, Kevin, Chad Pytel, and Jon Yurek. Pro Active Record: Databases with Ruby and Rails. Berkeley, CA: Apress, 2007. https://doi.org/10.1007/978-1-4302-0269-1.

MLA (9th ed.) Citation

Marshall, Kevin, et al. Pro Active Record: Databases with Ruby and Rails. Apress, 2007. https://doi.org/10.1007/978-1-4302-0269-1.