Ernst, L. C. (2004). Wake up, it's spring! HarperCollins.
Cita Chicago Style (17a ed.)Ernst, Lisa Campbell. Wake Up, It's Spring! [New York]: HarperCollins, 2004.
Cita MLA (8a ed.)Ernst, Lisa Campbell. Wake Up, It's Spring! HarperCollins, 2004.
Precaución: Estas citas no son 100% exactas.