There is a bird on your head!
MLA
Willems, Mo. There Is a Bird On Your Head!. An Elephant & Piggie Book. London: Walker, 2013
APA, 7th edition
Willems, M. (2013). There is a bird on your head!. An Elephant & Piggie book. London: Walker
Chicago, 17th edition
Willems, Mo. There is a bird on your head!. An Elephant & Piggie book. London: Walker, 2013