APA
Bang On The Door, . (2003). How many spots, triceratops?. : Oxford University Press.
Chicago
Bang On The Door, . 2003. How many spots, triceratops?. : Oxford University Press.
Harvard
Bang On The Door, . (2003). How many spots, triceratops?. : Oxford University Press.
MLA
Bang On The Door, . How many spots, triceratops?. : Oxford University Press. 2003.
