Cita APA (7a ed.)

Posey, B., & Thompson, T. (2009). GFI network security and PCI compliance power tools. Syngress Pub.

Cita Chicago Style (17a ed.)

Posey, Brien, y Troy Thompson. GFI Network Security and PCI Compliance Power Tools. Burlington, MA: Syngress Pub, 2009.

Cita MLA (8a ed.)

Posey, Brien, y Troy Thompson. GFI Network Security and PCI Compliance Power Tools. Syngress Pub, 2009.