Berk, J. (2015). Say it ain't so (First Yearling edition.). Yearling.
Cita Chicago Style (17a ed.)Berk, Josh. Say It Ain't so. First Yearling edition. New York: Yearling, 2015.
Cita MLA (8a ed.)Berk, Josh. Say It Ain't so. First Yearling edition. Yearling, 2015.
Precaución: Estas citas no son 100% exactas.