APA
Watson F., . (2007). Why is Uranus upside down? : and other questions about the universe. Crows Nest, N.S.W: Allen & Unwin.
Chicago
Watson F, . 2007. Why is Uranus upside down? : and other questions about the universe. Crows Nest, N.S.W: Allen & Unwin.
Harvard
Watson F., . (2007). Why is Uranus upside down? : and other questions about the universe. Crows Nest, N.S.W: Allen & Unwin.
MLA
Watson F, . Why is Uranus upside down? : and other questions about the universe. Crows Nest, N.S.W: Allen & Unwin. 2007.