Mull, B. (2010). Keys to the demon prison: Fablehaven series, book 5.
Cita Chicago Style (17a ed.)Mull, Brandon. Keys to the Demon Prison: Fablehaven Series, Book 5. 2010.
Cita MLA (8a ed.)Mull, Brandon. Keys to the Demon Prison: Fablehaven Series, Book 5. 2010.
Precaución: Estas citas no son 100% exactas.