Zecca, K. (2007). A puffin's year. Down East Books.
Cita Chicago Style (17a ed.)Zecca, Katherine. A Puffin's Year. [Camden, Me.]: Down East Books, 2007.
Cita MLA (8a ed.)Zecca, Katherine. A Puffin's Year. Down East Books, 2007.
Precaución: Estas citas no son 100% exactas.