APA (7th ed.) Citation

Zientara, D. (2018). pfSense 2.x Cookbook: Manage and maintain your network using pfSense (2.). Packt Publishing Limited.

Chicago Style (17th ed.) Citation

Zientara, David. PfSense 2.x Cookbook: Manage and Maintain Your Network Using PfSense. 2. Birmingham: Packt Publishing Limited, 2018.

MLA (9th ed.) Citation

Zientara, David. PfSense 2.x Cookbook: Manage and Maintain Your Network Using PfSense. 2. Packt Publishing Limited, 2018.

Warning: These citations may not always be 100% accurate.