APA (7th ed.) Citation

Keijser, J. (2017). OpenVPN Cookbook - Second Edition (2nd edition.). Packt Publishing.

Chicago Style (17th ed.) Citation

Keijser, Jan. OpenVPN Cookbook - Second Edition. 2nd edition. Packt Publishing, 2017.

MLA (9th ed.) Citation

Keijser, Jan. OpenVPN Cookbook - Second Edition. 2nd edition. Packt Publishing, 2017.

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