Baker, J. (2013). 50 universe ideas you really need to know. Published for Barnes & Noble, Inc. by Quercus Editions Ltd..
Citazione stile Chigago Style (17a edizione)Baker, Joanne. 50 Universe Ideas You Really Need to Know. London: Published for Barnes & Noble, Inc. by Quercus Editions Ltd., 2013.
Citatione MLA (9a ed.)Baker, Joanne. 50 Universe Ideas You Really Need to Know. Published for Barnes & Noble, Inc. by Quercus Editions Ltd., 2013.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.