APA (7th ed.) Citation

Teixeira, A., & Soares, F. d. S. (2013). A revised framework of information security principles.

Chicago Style (17th ed.) Citation

Teixeira, André, and Filipe de Sá Soares. A Revised Framework of Information Security Principles. 2013.

MLA (8th ed.) Citation

Teixeira, André, and Filipe de Sá Soares. A Revised Framework of Information Security Principles. 2013.

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