COURTENAY L A. SPACE PENGUINS: METEOR MADNESS (2013.). PARRAGON BOOKS PUBLISHING HOUSE.
Cita Chicago (17th ed.)COURTENAY L A. SPACE PENGUINS: METEOR MADNESS. 2013. MINNESOTA: PARRAGON BOOKS PUBLISHING HOUSE.
Cita MLA (9th ed.)COURTENAY L A. SPACE PENGUINS: METEOR MADNESS. 2013. PARRAGON BOOKS PUBLISHING HOUSE.
Atenció: Aquestes cites poden no estar 100% correctes.