Gifford, C. (2019). Super space encyclopedia (First American edition.). DK Publishing.
Cita Chicago Style (17a ed.)Gifford, Clive. Super Space Encyclopedia. First American edition. New York, NY: DK Publishing, 2019.
Cita MLA (8a ed.)Gifford, Clive. Super Space Encyclopedia. First American edition. DK Publishing, 2019.
Precaución: Estas citas no son 100% exactas.