APA (7th ed.) Citation

Lopes, I. M., Pereira, J. P., & Oliveira, P. (2017). Definition of information systems security policies.

Chicago Style (17th ed.) Citation

Lopes, Isabel Maria, João Paulo Pereira, and Pedro Oliveira. Definition of Information Systems Security Policies. 2017.

MLA (8th ed.) Citation

Lopes, Isabel Maria, et al. Definition of Information Systems Security Policies. 2017.