APA
Ashley B. &. C., . (20191105). The ultimate geography quiz (pb). : Rupa.
Chicago
Ashley Berty & Co-author, . 20191105. The ultimate geography quiz (pb). : Rupa.
Harvard
Ashley B. &. C., . (20191105). The ultimate geography quiz (pb). : Rupa.
MLA
Ashley Berty & Co-author, . The ultimate geography quiz (pb). : Rupa. 20191105.