APA Style
Rowan, K., McEwen, K. (2009).
I Know Why I Brush My Teeth (Sam's Science) Paperback .
London:
Walker Books.
MLA Style
Rowan, Kate., McEwen, Katharine.
"I Know Why I Brush My Teeth (Sam's Science) Paperback".
London:
Walker Books,
2009.
Printed Book.