Ziefert, H., & Bolam, E. (2014). Does a seal smile?: Think about how everyone says hello ([New edition].). Blue Apple Books.
Cita Chicago Style (17a ed.)Ziefert, Harriet, y Emily Bolam. Does a Seal Smile?: Think About How Everyone Says Hello. [New edition]. Maplewood, NJ: Blue Apple Books, 2014.
Cita MLA (8a ed.)Ziefert, Harriet, y Emily Bolam. Does a Seal Smile?: Think About How Everyone Says Hello. [New edition]. Blue Apple Books, 2014.
Precaución: Estas citas no son 100% exactas.