APA (7th ed.) Citation

Zientara, D. (2018). Learn PfSense 2. 4: Get up and running with Pfsense and all the core concepts to build firewall and routing solutions (1st edition.). Packt.

Chicago Style (17th ed.) Citation

Zientara, David. Learn PfSense 2. 4: Get Up and Running with Pfsense and All the Core Concepts to Build Firewall and Routing Solutions. 1st edition. Birmingham ; Mumbai: Packt, 2018.

MLA (9th ed.) Citation

Zientara, David. Learn PfSense 2. 4: Get Up and Running with Pfsense and All the Core Concepts to Build Firewall and Routing Solutions. 1st edition. Packt, 2018.