Campbell, S. (2014). Hug machine (First edition.). Atheneum Books for Young Readers.
Cita Chicago Style (17a ed.)Campbell, Scott. Hug Machine. First edition. New York: Atheneum Books for Young Readers, 2014.
Cita MLA (8a ed.)Campbell, Scott. Hug Machine. First edition. Atheneum Books for Young Readers, 2014.
Precaución: Estas citas no son 100% exactas.