Cita APA (7th ed.)

Rowling, J. (2005). Harry potter ;and the half- blood prince. Bloomsbury Publ.

Cita Chicago (17th ed.)

Rowling, J.K. Harry Potter ;and the Half- Blood Prince. London: Bloomsbury Publ, 2005.

Cita MLA (9th ed.)

Rowling, J.K. Harry Potter ;and the Half- Blood Prince. Bloomsbury Publ, 2005.