Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.