APA Style
Boynton, S. (2011).
Happy Hippo, Angry Duck: A Book of Moods (Boynton on Board) Board book .
New York:
Little Simon.
MLA Style
Boynton, Sandra.
"Happy Hippo, Angry Duck: A Book of Moods (Boynton on Board) Board book".
New York:
Little Simon,
2011.
Printed Book.