APA (7th ed.) Citation

Crist, E., & Keijser, J. (2015). Mastering OpenVPN (1st edition.). Packt Publishing.

Chicago Style (17th ed.) Citation

Crist, Eric, and Jan Keijser. Mastering OpenVPN. 1st edition. Packt Publishing, 2015.

MLA (9th ed.) Citation

Crist, Eric, and Jan Keijser. Mastering OpenVPN. 1st edition. Packt Publishing, 2015.

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