APA
(2009). Harry Potter and the Half-Blood Prince. Warner Bros Burbank, CA: .
Chicago
2009. Harry Potter and the Half-Blood Prince. Warner Bros Burbank, CA: .
Harvard
(2009). Harry Potter and the Half-Blood Prince. Warner Bros Burbank, CA: .
MLA
Harry Potter and the Half-Blood Prince. Warner Bros Burbank, CA: . 2009.