Wittenstein, B., & Hsu, C. (2018). The boo-boos that changed the world: A true story about an accidental invention (really!). Charlesbridge.
Cita Chicago Style (17a ed.)Wittenstein, Barry, y Chris Hsu. The Boo-boos That Changed the World: A True Story About an Accidental Invention (really!). Watertown, MA: Charlesbridge, 2018.
Cita MLA (8a ed.)Wittenstein, Barry, y Chris Hsu. The Boo-boos That Changed the World: A True Story About an Accidental Invention (really!). Charlesbridge, 2018.
Precaución: Estas citas no son 100% exactas.