APA (7th ed.) Citation

Ziefert, H. (2014). Does a woodpecker use a hammer? Blue Apple Books.

Chicago Style (17th ed.) Citation

Ziefert, Harriet. Does a Woodpecker Use a Hammer? Maplewood, NJ: Blue Apple Books, 2014.

MLA (8th ed.) Citation

Ziefert, Harriet. Does a Woodpecker Use a Hammer? Blue Apple Books, 2014.

Warning: These citations may not always be 100% accurate.