APA

Preston D., Spezi M., . (2009). The Monster of Florence. Newyork: Grand Central Puplishing.

Chicago

Preston Douglas, Spezi Mario, . 2009. The Monster of Florence. Newyork: Grand Central Puplishing.

Harvard

Preston D., Spezi M., . (2009). The Monster of Florence. Newyork: Grand Central Puplishing.

MLA

Preston Douglas, Spezi Mario, . The Monster of Florence. Newyork: Grand Central Puplishing. 2009.