APA (7th ed.) Citation

Zientara, D. (2018). Mastering pfSense: Manage, secure, and monitor your on-premise and cloud network with pfSense 2.4, 2nd Edition (2nd ed.). Packt Publishing.

Chicago Style (17th ed.) Citation

Zientara, David. Mastering PfSense: Manage, Secure, and Monitor Your On-premise and Cloud Network with PfSense 2.4, 2nd Edition. 2nd ed. Birmingham: Packt Publishing, 2018.

MLA (8th ed.) Citation

Zientara, David. Mastering PfSense: Manage, Secure, and Monitor Your On-premise and Cloud Network with PfSense 2.4, 2nd Edition. 2nd ed. Packt Publishing, 2018.

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