APA Style

Barbosa, D, A, F, U. (2018). Online Reputation Management: Secrets from a Pro Ethical Hacker . s.l.: Independently published.

MLA Style

Barbosa, De, Azevedo,, Fernando, Uilherme. "Online Reputation Management: Secrets from a Pro Ethical Hacker". s.l.: Independently published, 2018. Books.