APA
                    Ulrich Flegel D. B., . (2009). Detection of Intrusions and Malware, and Vulnerability Assessment. Germany: Springer.
                
                    Chicago
                    Ulrich Flegel Danilo Bruschi, . 2009. Detection of Intrusions and Malware, and Vulnerability Assessment. Germany: Springer.
                
                    Harvard
                    Ulrich Flegel D. B., . (2009). Detection of Intrusions and Malware, and Vulnerability Assessment. Germany: Springer.
                
                    MLA
                    Ulrich Flegel Danilo Bruschi, . Detection of Intrusions and Malware, and Vulnerability Assessment. Germany: Springer. 2009.