Klassen, J. (2011). I want my hat back (First edition.). Candlewick Press.
Cita Chicago Style (17a ed.)Klassen, Jon. I Want My Hat Back. First edition. Somerville, Mass.: Candlewick Press, 2011.
Cita MLA (8a ed.)Klassen, Jon. I Want My Hat Back. First edition. Candlewick Press, 2011.
Precaución: Estas citas no son 100% exactas.