APA (7th ed.) Citation

Safari Tech Books Online, Douglas, K. A., & Douglas, S. (2005). PostgreSQL: A comprehensive guide to building, programming and administering PstgreSQL databases (2nd ed.). Sams.

Chicago Style (17th ed.) Citation

Safari Tech Books Online, Korry Author Douglas, and Susan Douglas. PostgreSQL: A Comprehensive Guide to Building, Programming and Administering PstgreSQL Databases. 2nd ed. [Place of publication not identified]: Sams, 2005.

MLA (9th ed.) Citation

Safari Tech Books Online, et al. PostgreSQL: A Comprehensive Guide to Building, Programming and Administering PstgreSQL Databases. 2nd ed. Sams, 2005.