APA (7th ed.) Citation

Safari Tech Books Online, Geschwinde, E. A., & Schöenig, H. C. (2001). PostgreSQL developer's handbook (1st edition.). Sams.

Chicago Style (17th ed.) Citation

Safari Tech Books Online, Ewald Author Geschwinde, and Hans-Jüergen Contributor Schöenig. PostgreSQL Developer's Handbook. 1st edition. [Place of publication not identified]: Sams, 2001.

MLA (9th ed.) Citation

Safari Tech Books Online, et al. PostgreSQL Developer's Handbook. 1st edition. Sams, 2001.